Criminality aside, can we all just agree that it is wrong for a man in his 30s to date a teenager?
Voted No. Yes, there is huge potential for manipulation, and I can share a sense of disgust lingering there as well but there is nothing wrong with that kind of relationship
if it works.
My parents relationship started as a tutor-student romance. They had to keep it secret because a previous tutor at the school had taken advantage of students in the past, but after a while it became more of an open secret. So there is an eight year age gap between them. My dad would have been 30 and my mum was 22 when they got married. So this is a similar age range to the one you mentioned in the OP.
It was my mum who asked my dad out (I believe under a clock tower at the entrance of the college one evening as she pointed out the spot one time we visited). According to my mum, my dad was his typical day dreaming and oblivious self and probably would not have asked her out otherwise. 37 years of marriage later, he is still an oblivious day dreamer playing his guitar in the next room. my mum still can't get him to buy new socks when the old ones have holes in them so he just wears them anyway, walking around the house with his toes sticking out. This Christmas, I expect she will have bought him socks again. God willing, I have no doubt they will stay together for quite sometime.