Obsessed with Weight

My friend has really been trying to lose weight but can't seem to keep it off and instead keeps putting it on. She's on a hunt for the best weight loss supplement now and it's kind of funny to watch her go. She's completely obsessed with all things health now and keeps throwing things at me like "did you know...?!" LOL! I've never really gained a whole lot and can maintain it pretty well but after I have a kid it's really hard to get it off. Years after I'll still be over weight until I move so much that I rarely sit in one day. It's like my body has to go into over drive to kick start.