So, my good friend (18m) had a falling out with his ex (19m) because the ex bullied him and also because he is apparently dating a 16f, so my friend thinks he is a pedophile for obvious reasons (adult + minor).

I can see why this would be considered bad but also, when I turn 16, my girlfriend will be 19 too, as I am currently a young sophomore who is about 3 years younger than her girlfriend, a senior.