I am tennis player,15,6ft2in 169 lbs.i also do weight training.i will take a break until christmas like 4 weeks.well i want in those 4 weeks to lose fat but to not lose muscle.I wont train at all because im in the break. I will eat like 14000 calories/week,Please give me some tips of how to not lose muscle and burn fat without exercise just with calorie deficit