Later the Woman asks:
If 1 woman sleeps with 3 men, everyone call her a bad woman...
But when a man sleeps with 8 girls, everyone calls him a real man... How come this judgement?
So the third guy says: It's very simple. He says, 'When ONE LOCK can be opened by THREE different keys, it's a bad lock...
But when ONE KEY can open 8 different locks, we call it a MASTER KEY...' :D