Repairing Tools (This is a huge one... this takes SO much energy! Why does it give 0 xp no matter your tinkering skill level??)
Creating Elements
Squeezing chickens (maybe only gives xp if your mood is *maxxed*??)
Shaking Milk
Compressing Butter
Aging Cheese
Applying guano to plots
Singing to & Capturing Fireflies - another massively energy intensive one... why no xp for it??
... There are probably more, I'll edit this post as I find them..