Yeah. Felicity didn't get mad but I have a pretty high friendship level with her. But if it's for a villager I want to keep forever I would not refuse a request.
Hah, he's been my lazy forever and I can't bring myself to say that. I know that's the reaction though because my SO said that to Beau once while mashing through the text and he got all depressed.
There is something else you can reject from lazies though that causes them to get depressed. I don't remember what it is but I have done that one to Lucky before.