I'm actually a very punctual person. If you tell me "SilentPony, you need to be in my office noon on Thursday." you better believe at 12:00:10 I'm walking through your door. I'm not super anal about it, its just I show up on time every time because that's what is expected. I don't harp on people who may be late, because shit happens, but I will plan out a day almost to the minute to minimize the chance of shit happening so I can keep my appointments. On top of that I'm a pretty nice guy who helps out almost every single time something is asked.
But the thing that annoys me and I've been trying to control my temper is when someone asks something out of the blue that needs to be done now or very soon, that I am fully capable of doing, but it throws off my schedule. For example lets say I have a day full of errands, I've agreed to make a dish for a party tonight, and the dog has to go to the groomer. And then I get a call from an aunt who asks if I wouldn't mind running to the store and getting some, I dunno, ground beef for her and grandma to eat tonight. It takes 20-30mins, isn't stressful, I'm happy to help and I'll do it, but I will be driving to the store trying to readjust my brain time tables to make sure everything gets done, to the point I will exhaust myself by the day's end, still getting everything done, but worrying if i'm going to be able to.
I consider it little because its the little chores like going to the store or dropping a package off at UPS that get to me. The big shit I'm fully capable of saying no to and planning out later.
I had a cousin call me once, she works in politics, and said she needs someone to come manage a phone bank center in Kansas, staring tomorrow at 8am, for the next 6 weeks. And I said no 'cause that's a hell of an ask. But I also had the same cousin call me and ask if I could swing by her place and pick up a package off her front porch so it doesn't get stolen, and yeah that was simple enough.