[...] No one was getting the fact that guys wanted real interaction with girls and tools were now available to deliver that experience.
This situation underlines the importance of checking in with one's spouse or partner about the various aspects of long-term relationships: finances, in-laws, jobs, children (if any), housekeeping, plans, and sex. So, even though you said your vows and have been together for a while, it sounds like the topic of online chatting and surfing porn sites never came up.
When I confronted him, he didn't understand why I was upset.
He said that having sex online was harmless and a way to "get off" without breaking his marriage vows (we've been married 10 years). A: This is a situation I see more and more often as the Internet becomes a staple in homes.
Unless he informed you or gave you the chance to participate in these activities, it was not an honest act on his part.
He also brushed off a chance to set the record straight without lying.