Don't think about bugs always having a mandatory love interest and how that affects daffy. Don't think about it. Don't think about how one second daffy is spending the night bantering and joking with bugs, eating the dinner he knows is made for him and him only. Reveling in the fact that bugs was expecting, anticipating, if not, then maybe even hoping that daffy will show up and bugs *prepared* a dinner for him. And then the other second having to look at every single piece of merchandise and media pushing this picture perfect relationship of Bugs and Lola. Don't think about how Daffy had to sit through each and every love interest that bugs had. Whether that's honey bunny or Penelope or currently, Lola. How he watched as bugs allegedly, "fell in love" with them, as far as the audience knows. And don't think about how, maybe somewhere in the haze, he started to doubt bugs himself. What if he *did* fall in love and everything daffy sees is just a delusion? What if all they've been through is just that. A circumstance. What if the mandatory love interest is more? More than they ever were?

At the end of the day, it doesn't matter. Daffy isn't ever going to be some one who bugs is in love with. And that has nothing to do with bugs' feelings, no, it's just how the universe works. They weren't meant to be, not in the official sense.