hell! I only WISH i had people wanting to ride with me. Share your expertise. If you don't want to take the time- tell him right away. Don't play games or string him along as if you were a high school teen learning how to date.

If your ego needs massaging (and that's ok- we all need massaging)- then consider this.... Your ego will "peak" longer if you mentor this guy than if you mearly crush him in one session.