Ride faster?
Is it a hilly 25 miles?
Are you really riding 250 miles per week? That would either mean you should be riding slowly or be in such mad shape you have no excuse.
Eat all day, is my advice. Three meals a day is no longer relevant when you're riding and working that much. You know about second breakfast, right? (parapharsing a certain movie/books, cookie to the first who gets it)