30 and hating it

My mom always said that if you're fat at 30 you'll be fat forever. Well, I guess I'm screwed. I gained back all of the weight that I lost so I feel very very shitty. I've been staying late in the office to clean up other people's mess. I'm tired and grumpy and feeling ugly. I'm back to cigarettes. I just woke up one day and realized that I'm back where I started. Geez, old habits do die hard.