Do you need to lose weight? Like D&D character stats, weight is just a number. Health is way more important.
The tabletop RPG has long been considered the pinnacle of geekiness, and though it has long been the whipping boy of much of the geek subculture, the abuse is mostly undeserved.
D&D Next gives you a framework on which to build the game you want to play, not the one the one the devs want you to.