I always try and flex my feet inside my shoes when I'm riding:
I'll curl my toes under and then splay them out as far apart as my shoes allow. I have real problems with my feet also, and it seems to be worse this year than last but that seems to help. Sometimes after a really long ride, I'll stretch and flex my feet just like I do my calf and thigh muscles. You might also try massageing your feet after a ride - see if that helps any.
Life should NOT be a journey to the grave with the intention of arriving safely in an attractive and well preserved body, but rather to skid in sideways, champagne in one hand, strawberries in the other, body thoroughly used up, totally worn out and screaming: "Yeah Baby! What a Ride!"