well, that doesnt mean they stay gay forever
if you're young, shit is bound to change. and some gain maturity faster than others (like how my class can't comprehend any words above 2 syllables despite being in 7th grade)
and (nearly) no one is doing anything life-changing (as its illegal in most places to do that sorta stuff as a minor)
pretty much nothing bad's happening, as long as they're protected and don't come into contact with anyone bad due to it
although it is more common the older you get, it is possible to understand these concepts at a younger age