Just because he's happy to wank on a webcam in his own bedroom doesn't mean he wants to do any more than that. For a lot of people, that's just part of the fantasy, watching others and knowing they're being watched, and not necessarily who by. What goes on over the Internet isn't "real" and he may want to keep to keep his cyber and everyday lives completely separate. He might not appreciate finding out that someone who knows him in real life has watched him stroke one out.
Unless you and he currently have the type of relationship where you openly discuss your sexual, porn and Internet habits, you risk losing your friend if you bring it up.
If you end up getting together, you could possibly consider telling him then, but for now, I'd keep quiet about it.
Unless you and he currently have the type of relationship where you openly discuss your sexual, porn and Internet habits, you risk losing your friend if you bring it up.
If you end up getting together, you could possibly consider telling him then, but for now, I'd keep quiet about it.