Nah, people who work out A LOT and don't give their body enough recovery time usually hold a lot of water because of inflammation. Also, don't know how her sleep pattern is but I can only imagine she's the kind of person who takes pride in being sleep deprived (the kind of person who trades sleep for a very early/late workout), which leads to even more inflammation. Can only imagine her muscles are chronically inflamed and she's holding a lot of water weight. Less can be more when it comes to exercise.