10. Dress like you have a job to go to.

Learned from: How I Met Your Mother (2005)
Complex says: When it comes to picking up chicks, there's only one man on television who knows how to get the job done: Barney Stinson (played by Neil Patrick Harris). The guy is constantly going home with women, so what's his tried and true method? "Suit up." There's a reason why the ladies in the library don't sit by the homeless men there. They get them confused with unemployed hipsters. Chances are, she already has a job to get to, so you should at least pretend that you're on the same level.