Helped loads of people over the years from a simple tow to dragging vessels clear of rocks! Even been over the side to clear various items from the prop.
Sometimes they thank you
other times they don't.
Just the luck of the draw really, however I have had to be towed in a couple of times and it is embarrasing no matter how prepared you were!
I have had a days diving completely ruined to help a bunch of p*ssed yachties get home after a day soaking up the gin. They were the most un-organised, useless, thankless bunch I have ever met. No thankyou, no have a beer on us, no nothing.
But other times I've had more whisky given in thankyou presents than I can poke a stick at!