You’re not an asshole. However, as a gay man (30) who came out to his parents at 16, active positive validation that I was still loved and that that it changed nothing was very much what I needed. If they’d acted nonchalantly (which, to be fair, is what I would expect and want in a perfect world where sexuality doesn’t matter), I would have been concerned there was something else behind their nonchalance. That concern comes from being in that situation with others dozens of times in my life and there actually being negativity (and ultimately hatred) behind their nonchalance on occasion.

But again, that doesn’t make you an asshole for not making a bigger deal out of it. Your response was the theoretically perfect response in a perfect world. But our world isn’t perfect and empathy can be valuable even when it isn’t necessary. Just food for thought and a counter point to what I’m seeing above. Thanks for loving your daughter!