Sinfest has a surprising amount, considering it's nominally about one spikey-haired midget and his attempt to get laid, but notable ones are anytime Slick is honest about Monique, and many strips in the Uncle Sam series. Like this one.
This makes me sad for a reason I can't quite articulate at the moment.
Because it makes their relationship almost painfully clear. Lil'E's who does those things mostly for acknowledgment from the Devil who in return ends up being disappointed by Lil'E's lack of true evil power.
The tormented souls of Hell start missing Fuchsia and her stories. So much that they escaped from Hell in the form of a bulky zombie to search for her.