Sam is getting white on his snout, around the eyes, much like Woody catching up in age 8 on Wednesday that's 56 in human estimated conversion...

Leaky farts, Oh boy, yup they sure learn to let rip, appears something in common with older humans as well !LOLZ

Rex my RR was another who was able to fart you off the couch, literally! Then cute eyes look at you saying not me....