This illustrates the problem I have with how we leave boys' sexual development to the haphazard and just hope that they can figure it out somehow. What about the boys who can't or don't have these experiences and learn these skills at an appropriate age?

Sex And The Valley: Tech Guys Seek Expert Love Advice From Therapists

http://www.vocativ.com/culture/society/the-sex-therapists-of-silicon-valley/

“Dan” seems at first to perfectly embody that popular object of scorn these days in San Francisco: the privileged tech worker. He’s a developer-turned-manager at a thriving startup, the type of guy you would expect to see dodging protesters at a Google bus stop or evicting low-income tenants in order to build his dream condo. But beyond that veneer of untouchable privilege, there is a soft underbelly. He’s a 40-year-old virgin, and his troubles with women are bad enough that he’s sought out a sex therapist for help.