I've been playing online for a little over a decade, I think. Played Star Wars Galaxies as the first online game I really got into. I still get stressed out when I play online, especially fighting games or similar versus games. I also hate voice chat, I'd really, really rather go without, or at least have it default to friends list only if it has to be there.Interesting. I've never experienced this. It's possible this is because I've been multiplayer gaming since I was a child. For those who experience anxiety playing with other people: how long ago did you start multiplayer gaming?
It's funny, I keep buying fighting games, thinking this one is going to be the one I go online with and play a ton of matches. Between all versions of Street Fighter 4, MvC3, and Tekken, I have about 50 matches. Total. Played more Super Smash Bros. Brawl online than UMvC3.
I do have an idea on why I get stressed out about it. I play video games to relax, tune out for a while. When I play another person, I can't do that, I have to be on and alert. Both because I want to win, and because I at least want to give the other guy a good fight. But then I don't relax while playing anymore and well, why pick the Online Mode menu when the Offline Mode menu offers a much more relaxing game?
The only game I've ever felt completely comfortable playing is City of Heroes. And even then it was a bit of a learning process for the first few months. I still got all nervous when going into a PvP area, so I, like most of the players, left those alone.