I've had fun going back to my old place of work. My boss was/is a good guy but giving a present of a bottle of wine while I worked would have been a bit suspect, at least in some minds. SO when I retired, I dropped by and, over several months gave him and some others a bottle or two of my wine. Those who might have learned about my actions but did NOT receive a bottle, well they can take that as they wish. I just tried to do a kindness to show my respect and appreciation to fellow workers in a way that would not have been appropriate while I was working.