I've had bisexual thoughts for a while, but I had always been nervous to act on them. I had checked out a few websites, but the guys tended to be pretty flaky. I get seriously turned on by both men and women, and especially love watching the women work out at my gym. The gym I go to is semi-private, so there are rarely more than a dozen people there. The owner, Rob, who is about 40, is super cool and will often let me wor...