4. He’s a good person when he’s sober but he turns into a tyrant when he drinks.
“When he’s drunk, he’s mean and he sexually harasses people.” Some guys transform into a different person when they are drunk. Go out for drinks with a guy you like before you start dating him. And if you want to find out what he’s really like, get people who he trusts to join your outing, like his best friends and his workmates.