Mad as he may have been about it, Donnie can't really disagree with the intent. He just highly questioned the delivery.

"Hah. Well...I guess you can help me find a better place to stay if you're going to go that far," he notes, grinning crookedly. Hey, what better way to scope out places than to have someone fast do it for you?

Maybe he'd get annoyed about the bodyguard situation later. He did like his space, but for now, Donnie's got no real reason to complain about the extra company.