I've been noticing the same issue for a while too, but for my sims it's not pushups it's weird stuff. Cooking. Cleaning. Also if one of my toddlers chooses "play dolls with" autonomously it completely tanks my entire sims queue which is hugely annoying. Then they force the check on toddler thing as well. Someone wants to say hello or goodbye over the other side of the lot the sim will leave a conversation or intimate moment to greet them even if I cancelled their initial call to talk to them. It's so annoying when something destroys the queue!
