If he begins to lose weight he needs to move from oral eating to PEG. Please do not wait too long to do this, proper nutrition is going to be part of his ability to avoid infections, maintain activity levels, and heal properly after each treatment. Ingrid and I moved to Houston as well in a small apt. for my treatments. I think that I slept most of the time away and Ingrid rented every movie known to man from Blockbuster in the first 7 weeks of my treatments. The first couple of weeks of radiation are usually no big deal, at least physically. But after that it gets progressively worse, and will continue to do so until several weeks after treatment ends. There is no easy way through this, it is a day at a time process. Just remember that nutrition equals a better journey. The PEG eliminates the lack of nutrition or hydration issue and the sooner that he is back to normal for nutritional intake the stronger he will be in all respects.