Can't comment on the relationship aspect, but the drinking one, I feel, is being blown out of proportions somewhat.
Whilst I don't deny that there are some heavy drinkers, it is by no means encouraged and it is always stressed that at no time is anybody obliged to drink, participation is always totally voluntary. The vast majority are sensible in their intake and know of the implications of any stupid behaviour. Of course, there's a minority who will take it too far, there always is.
A cursory glance around any student town around the country would show many, many more young people getting themselves into far worse conditions than would be evident at certain Mess' around the RAF.