Quite possibly

maybe next time if he opens the door and drops the dog off like that again
you can just yell out 'thankyou' and maybe he will respond
or come and talk

who knows worth a try

well I better get off this site for a little while have an appointment and have been here for hours

will drop back in and see how you are going
thinking of you and wishing you all the best

(now did that sound like some kind of hallmark greeting or what )

bj

my thread