Bruce Jenner might be painting the town red, but he's still wearing his wedding ring and going home alone.

An insider tells People the 63-year-old Olympian, seen here going to watch his son Brandon perform at West Hollywood's famed Troubadour Saturday, hasn't even considered the notion of dating anyone else since the separation.

"We talked about it and he said, 'I'm not even going to think about another relationship at this point," the source told the magazine. "After being with her for so long, I can't imagine getting involved with someone else.'"

His daughters Kendall and Kylie were along for the fun, and the source said the group appeared to be "