My partner and I have tried out various terms of endearment (like "love", "dear", "baby" or "babe"), but none of them ever sounded natural when either of us used them — it just ended up being silly, and so we do occasionally pepper them into conversation, when we're being silly.

The one I tend to use most often is "my love", because it feels silly in an overly poetic and melodramatic manner. Recently I also used "my serendipitous saccharide" (saccharide meaning sugar, because he's sweet, and serendipitous because this relationship was a surprise to both of us).

Anyway, I'm running out of ideas for terms that will evoke an affectionate eye roll out of him. Any suggestions?