The answer to this question totally depends on the context in which he brings it up.
What do we mean by this? Allow us to explain in detail and to address some related questions.
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When he brings up marriage, is there a loving look on his face?
If yes, then you know he is serious and is probably in favor of it.
Not only that, but it is an indication that you come into his mind when he thinks about marriage.
When he brings it up, does he have a hesitant look on his face?

This probably means he is thinking about marrying you but wants to get an idea of whether you are receptive.
He is nervous about the idea of asking you to marry him, although he wants to.
When your man talks about marriage, does he look frightened?
If the answer is yes, it could mean he is afraid of commitment – to anybody, not just you.
If you respond with positive comments on marriage, he may end the relationship right then and there. If he does, this man is not marriage material.
When he talks about marriage, does he have a sarcastic look on his face?

If the answer to this question is yes, he probably does not really want to marry you. He is bringing it up now to get your reaction.
It is possible that if you seem like you want to marry him, he will run for the hills.
When this man discusses marriage, does he look angry?
If yes, then he is obviously dead set against marriage in general, let alone to you. He views marriage as a negative thing, and you will never change his mind.
If you are looking to get married, this man is NOT the one for you.
When he brings up marriage, does he look sincere?

If he does, that can be a sign that he is considering asking you to marry him. He may want to know how you feel about it prior to buying a ring.
If you feel similarly, now is the time to let him know.
When this man brings up marriage, does he follow it up by discussing children?
If yes, this is a sign that he is ready to settle down, get married, and raise a family.
The fact that he brings it up with you could be an indication that you are the one that inspires his thoughts on these subjects.
Be sure you are ready to answer him, otherwise, the moment could be very awkward for both of you.
When he asks you about your feelings on marriage, does he have a possessive look on his face?

By this we mean, does it seem like he wants to marry you solely to have someone to control?
You can get an idea of this by the look on his face and the tone of his voice and questions.
If you think he just wants to tell you what to do and act like he owns you, make that be known in your response. This is NOT someone you should marry.
What if you are a man and a man brings up marriage?
That means he is gay and wants to know if you are receptive to the idea. If you share the same feelings, be sure to let him know.
It is possible that you could have a long and lasting marriage to this man.
What if you are a woman and a woman brings up marriage?

It is the same scenario as with the previous question, only the reverse. You deserve every right to be happy with someone.
If this is the woman you want to spend eternity with, let her know that in your response.
What if he says he “doesn’t mind” marriage?
This could mean he really does not want to get married but can put up with it if he has to. An example of this could be if you are carrying his child.
Maybe he feels obligated to marry you, but really hopes you will say you do not want to.
How to know if he is really ready for marriage

You will know by the questions he asks of you as well as the expressions on his face. When you gaze into his eyes, is there a passionate look in them?
Or does he evade eye contact with you? These are indicators of whether he genuinely wants to marry you.
Is this a long conversation about marriage and family?
This is another way to tell if marriage to you is on his mind. Is this one quick question, then he changes the subject? Or is it an extended conversation?
Does he bring it up or do you? These are other ways to gauge his interest in marriage.
Does your man talk about you being his soulmate?

This is a definite sign that he wants to spend the rest of his life with you. At this point, it is important to think about how you feel.
Do you think he is your soulmate? If yes, then marriage would be a way of making good on your feelings for each other.
When this man talks about marriage, does he bring up other women?
Why are we asking this? If the answer to this question is yes, it could be you are not the one he is thinking of marrying.
In that case, it is time to end your relationship with him. You never want to be his second choice.
Does he act like it is his sworn duty to marry someone?

If your answer is in the affirmative, then you should stay clear of him. You want to marry somebody because you love and cherish them.
You don’t want to marry someone just because he thinks it is high time he got married, and you just happen to be his girlfriend. This is not a reason to get married.
Does this man continue to talk about his future plans with you?
This is a strong sign that he wants to spend his life with you. Be sure to look into his eyes when he talks about this – there is a saying that the eyes do not lie.
If you see honesty and a true expression of love in his eyes when he discusses his future, then he is the one.
Is it ever too early in a relationship for a man to talk about marriage?

Years ago, the answer would have been no. Back then, love at first sight was common. Today, people are waiting longer to delve into marriage.
Therefore, the answer is yes. If he starts discussing marriage early on in the relationship, you might want to reveal your true feelings on this matter to him.
What if the woman brings up marriage first?
If this is the case, then she will want to pay strict attention to her man’s reaction. Does he seem to favor it or is he dead set against it?
Does he appear to want to marry you or avoid the subject altogether? These are important questions to address.
If the woman wants to marry, but her man does not, he is not the person she should marry.