My boyfriend wants to please me in bed, but I don't know what to tell him to do differently. The problem with using frequency as a measure of sexual quality is that the person who requires it less often ends up feeling inadequate. Don't go using your boyfriend's schedule as a universal model for libido. For example, your own thrice-weekly program might be considered reckless and depraved fornication by many. Quantity is a deceptive standard.
Some people explore aphrodisiacs to boost their sex drive.
Every time I've read about or experimented with aphrodisiacs, I'm left with the impression that nobody's ever really had a great amount of long-term success with them. The only thing I ever took that made my pants itch was GHB, and from what I hear, it turns you into a complete retard within months. I can't even imagine what I would have done if someone had walked into the club with a sleeping bag. However, I'm all for experimenting with sex toys. As for recommendations, everyone's different, but any knowledgeable sex-store employee will steer you in the right direction after a few questions.