Your body temperature is dangerously low
Pure pressure
to fit in with the crowd
some feel like they have to to make them happy
parents let them try it
OK so basically one would be a curfew and the other depending on the age will be don't have sex unless both let's say 18 it would be always be safe and use a condom. But if that isn't something another thing enforced would be that there needs to be a neutral respect towards each other