I am a 21 year old male, overweight with BMI 27.6, body fat 21.5%. My goal is to lose weight and gain muscle. I am no expert in fitness so I'm here hoping to gain professional insight. My plan: I go to the gym Mon through Fri. Mon, Wed, Fri I use the Peloton Spin Bike for 45 minutes, where following their spin classes I burn about 500 Cal. Then ...