christmas tradition of making holiday traditions cookies with their family is different for trudy and tim mcfalls. they no longer over indulge in sweets. >> i feel better about myself. >> reporter: trudy has lost 42 points and tim has dropped 120. here's what they used to look like gradually gaining weight as they fostered over 100 children. >> i put it on me. i just focused on kids and their issues and making sure they were okay. >> we were glad to be there. when we had time to eat, we would eat, whatever was there, we would eat. it wasn't always the best food. >> have you been feeling okay. >> they both had stomach surgery doctor brendon o'connor with cooper hospital. they had a gastric sleeve operation, which is less complicated then gastric bypass. >> it is just a removal of a portion of the stomach. >> reporter: is what left behind looks like a sleeve. >> that is right. >> the sleeve operation is a procedure that is done with a minimally inn vase i have approach. we go in and rehave move approximately 80 to 85 percent of the the stomach, so this is designed to limit food in take accounts. >>