In today's episode of Mailbox Monday we talk about the hardest muscle group to grow, how long to stick with a selection of exercises before switching them up, and then debate whether or not you can lose 60lbs in 4 months with keto and fasting. Stick around until the end of the episode to hear everything!For those of you that have any questions, make sure to follow us on IG @ColossusFit and slide in our DM's for a chance to be featured! Thanks to all of you that have been consistently asking us questions for these episodes.Online Fitness Coaching: https://www.colossusfitness.com/onlinecoaching/Support the show (https://www.colossusfitness.com)