Losing weight

Keshella • ♉18♉ 👣Mommy to a baby boy born 09/25/16👣 💜Happyly taken💙🎓Graduate🎓 🐧First time mommy🐧
I had my baby about a week ago and I now weigh 191. Before I got pregnant I weighed 148. Does anyone know any good ways to lose weight. I would really like to get back down to my pre pregnancy weight.