It really isn't rocket science. Create a surplus of
Posted on: November 6, 2016 at 15:49:29 CT
tgr
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calories to gain weight. The problem is that with some people's metabolism it takes a lot of time. Being an 18 year old kid who is practicing and lifting weights means he will likely need 5,000+ calories a day to gain weight. I'm sure he can do it but it will definitely be a multi-year project.