Do you really want my honest answer?

Ok...I think you are too immature to be married.

I think you are too needy to be married and if you got married, you would be divorced within 5 years.

I think you need to learn to be ON YOUR OWN for at least a year before you even consider getting married.

I think you are pinning your own happiness on what HE will do, not how you can be happy for yourself. Thus, you said:
Suggest a break?
Not sure if I can handle one :'(
If you say that, then you most definitely HAVE to learn how to handle a break. I hope you can see that.

I think you both should have been dating other people, and that most people who start dating in early teens do NOT belong together, at least not before seeing the world separately.