I bought and used a sex berry hoping to change Lieven's gender from female to male. It's been roughly a week and I thought maybe it was a glitch, but I wasn't sure if anyone else has experienced the same problem? Or if maybe I'm just so out of touch with Subeta that I've forgotten how it works... Any advice?

Turns out I still need to relearn a lot of stuff. My bad! Lock please!

It sounds like you probably selected "feed" instead of "use". The "use" option is what changes the pet's gender, "feed" just adds it to their list of eaten foods.

Yep, there's my problem. I didn't even realize there was a difference I guess. Thanks for pointing that out, I'll be more careful with that in the future!