V.C.
B.- this won't help you with cold foods but here is a little trick. Take whatever you make for him and wrap it in aluminum foil. About 30 minutes before he is ready for lunch, tell him to open his hood and put it on either his engine block or his radiator. After he runs his car for just a little while his lunch will be warm. Hope that helps... (You can also try sending him with BBQ pork or BBQ Beef cold for a change)