early marriage? ❤️

hey everyone. im in need of some advice. ive been with my boyfriend for 2 years now, & im determined i want to spend my life with him. 100% determined. he's more than likely joining the army this october.. in order for me to live on base w him we would have to be married. i have no problem with it, it actually makes me really happy lol. he's super happy about it as well. the problem is, by the time this would take place, id be 19 and he'd be 20. i guess I'm just asking if anyone had a similar situation? did it work out? & how did your family react? im scared of judgement. 🙁 thank you in advance ❤️