Lose Weight Now

I want to start exercising but I do not want to lose weight. Will I lose any if I start now?

watermelon. asked: I am only 100 pounds, but I am slightly out of shape athletically. I want to start bike riding for an hour an a half 5 days a week (really nice hilly trail near my house). How will that affect my body? I do not want to lose weight. I also don’t want [...]