You're too nice.
I've had lots bug me about that in the past.
"What? You don't have boat? Can't you take me?"
I figure, I'm being kind enough and spending my own time to do a quest that person can't do themselves;
the Least they can do is get vouchers or something.
It's also why I refuse to accept friend invites after I give away free stuff and do help someone.
Sadly, it never stops once it starts.
Oh well. But again, that is most kind of you.