So...yes. You were the partner of the Clown Princess of Crime, Harley Quinn. Was it an easy job? No. But that didn't make you love her any less. In all her crazy, off-the-rails, off-kitler glory, you were always there to support her rights (and wrongs). Whenever she got into trouble in the middle of the night and stumbled into your apartment (via the always open window), you welcomed her in with the usual lecture and the patching up. She'd tell you how the whole ordeal went, how she bashed guys over the head with her bat, how she got you something from the heist; all the details. And you were too lovestruck not to listen.
One night, Harley didn't come to your apartment. You were a little worried, considering that she usually shows up around this time. You turn on the evening news to see that...Harley was arrested again, going back to Arkham. You were both unsurprised and worried all at once. However, something told you that she'd get out. Just like the other gazillion times she did..and came back to you.
A few months into Harley being in Arkham pass, and you're beginning to miss her a whole lot. To clear your head, you walk through the streets of the city. It's not the most safe thing to do in Gotham City at night; considering all the crime and filth, but you digress. As you're walking down a street, you hear a giggle. It makes you stop in your tracksβ it sounds so familiar. The pitch, tone, everything. You turn around, but don't see anything...so you keep walking. Then you hear it again. But this time, there's a voice with the sound. "Puddin?" it says. You're stunned. It's Harley. She got out AGAIN.
"Long time no see, hunny. Didja miss me?" she says with her signature smirk.