Franks always remembered what food did FOR him forgetting what it did TO him. 

Meeting atendance, even with commitments, does not equal recovery.  But it helps

OA is the only hope for long term abstinence and health Fred had found. and he has tried it all. 

The weight swings should have been a clue. 

Picked a lock to get the food, weighed on a meat scale, up and down for 40 years, and more until OA brought him back God, as he understans him.