jinnyann, I hope your session went well. The first session back can be really hard. I always feel shy after a break, like I really don't know T anymore. It's hard to get back into it, especially if there is challenging work to get back to.
I understand about the parking meter. My T used to have free parking in the lots near his building and recently they changed to having meters, which were a kind I was unfamiliar with. I had anxiety about not being able to figure out how the meters worked. It's crazy the stuff that can worry us, but I think it's very natural too, especially when you are overloaded with lots of other worries. Hope the parking meter thingy went well too!