Something that big should definitely be discussed before a serious relationship even takes place. There's absolutely nothing wrong with dating someone who has a kid, but I'd be furious if I was that far along in a relationship with someone and they dropped it on me. Make things like that clear from the get go. It isn't difficult.

You have been together 7 months and you find out by accident ? I would be wondering what other things about him that he hasn't told you. If I were you I would put out the money to have a background check done on him, he might be an ex Felon or something else you should know about him.

he should have told you but I understand him not doing so

Maybe he was just scared to tell you. Those things can be tricky in relationships. It's not really an excuse. He should've told you sooner. Maybe he was waiting for the right moment and you beat him to it. Anyway I hope your not totally put off by it. Good luck OP.

Wow....that's something I definitely wouldn't go for...

There could be so many plausible and logical reasons for him not mentioning it before. I agree with the comment regarding adoption or a possible (and very sad) death. Or maybe protection, or scared of OP's reaction. My boyfriend and I each have a child from previous relationships and we were very up front about it the day we met. It's one reason we connected, too. But my boyfriend wouldn't even tell me his son or his ex's names for a few months, and I didn't meet his son until about 3 months into our relationship. After about 7 months, we were still in a more casual dating stage where things became complicated too, so I can understand if OP's boyfriend didn't feel completely comfortable with the relationship yet for not letting her know about him or what the background story is.

Haha ...that happened to me...with my boyfriend of one year °_°

The OP replied above you. Apparently her boyfriend didn't know he had a son until he moved to the US. He has never met his son.

To be honest, while I can understand you being upset at what you feel was a lie (even one by omission), I'm not sure if I was in his shoes if I would have told you either. He has a potential son (I say potential because you said there's no paternity test yet) that he's never even met, only found out about after moving countries. Having a child that you have shared custody of is hard enough to approach a new lover about, a child that you haven't even met? Would be even more awkward to explain. It's most likely that he was still sorting out his feelings about potentially being a parent if the child turns out to definitely be his, and maybe he didn't want to bring up the issue of him having a son if it turned out NOT to be his. I'm glad you seem to be willing to wait for an explanation, and I hope that he does have a good one for you. Good luck!

Sorry but my comment wouldn't go through so I know that my old response is completely irreverent. "Maybe that was his way of telling you. He might not have wanted to have some big thing. I believe omission is not lying, especially when it's none of your damn business [not you OP]. He could have not wanted to expose his child to someone he wasn't serious about. Either he didn't think you two had a future or he wasn't ready. You can't make someone completely comfortable with you, no matter how long you've been together. Just talk to him open & honestly to find out all the facts before you do something foolish. If he's a deadbeat dad; dump him."