I’m not sure what it is I signal in some way but people’s dogs just want to say hello to me. I mean obviously I like dogs and show interest but, for example, there was one today who did a doggy smile from about 25 feet away and wanted to come over. So I asked the owner if I could say hello to them and she let out some lead so he could come over and sniff/lick my hand and be told what a lovely dog they were. The awkward thing is that I have more connection usually with the dogs than their owners.