Doesn't matter if he gets a life or not, that's for his own personal well-being. Chicks are interested in your hobbies until they can hook you. What they love to do is compete with other women for men, and the sooner this guy starts talking up other women, the more women he'll attract.
For his own sake, I hope he gets hobbies. Most women don't give a sh-t about those, forget those hobbies within a day of learning about them, and are too self-absorbed to remember anything.
Let's say he gets a life and goes whitewater rafting one weekend. Here we go:
Gal: "What did you do last weekend?"
Red: "Whitewater rafting, it was freaking awesome, we hit some huge rapids."
Gal: "Wow, that's neat, you have some cool, hobbies.
Red: "Yeah, I like to have a lot of fun ... want to go out next week?"
Gal: "Maybe, but I'm kind of busy."
Scenario 2
Gal: "What did you do last weekend?
Red: "Staci and I went out."
Gal: "Oh ... uhhhh, who is Staci?"
Red: "Woman I know."
Gal: "Where did you meet her?"
Red: "Whitewater rafting ... she's a cool gal, into neat stuff like that."
Gal: "I'd like to try whitewater rafting some day! When do you go?!
Red: "I'm going in a couple weeks ... but Staci and I are going together again."
Gal: "Well, what if we did something else together?"
GET THE IDEA? Gal wants Red only when she finds that Staci (who is either real or fictional) wants him, too.
I'm amazed how this site ignores women competing for guys.