imo theres not much wrong with your age gap? youre turning 20 next month which means you are, still, a teenager - not for much longer, yes, but youre still young yourself. you met 2 years ago, meaning you were 14 and 17, right? thats normal; thats a perfectly normal age gap. its not as if youre in your 20's and met someone underage; you met a teena......
