Hi Everyone! I currently do Body Pump (3 x a week), Insanity (4 x a week) and CXWorx (2 x a week) through my local YMCA but I would like to start weightlifting. I am hoping to tighten up even more to prevent lose skin. I have currently lost 117 lbs and I have 48.6 left to lose. Should I start lifting now or weight until I…