They feel free to do this after the treatment has been received, rather than before, so that there can be no suggestion that the gift is intended as a bribe or a request for preferential treatment.
Nad tunnevad, et pärast teenuse saamist on see igati sobilik, sest varem kingitust andes võiks seda pidada altkäemaksuks ja see võiks jätta mulje, et nad ootavad mingit erikohtlemist.