Suddenly, One Direction don’t look like little boys fit only for 14-year-old fans. They’re grown up, and they’re hot, and they’re funny and their voices are like angels. Their songs are brilliant for blasting with the windows down. So what’s stopping you from becoming a Directioner? Late to the party? Here’s how to catch up quick, get the One Direction Infection and be ready for the boys’ Where We Are tour this summer.