I'm prone to hairpulling and nail biting myself, so I'm pretty sure it's a response to stress and social isolation and lack of intellectual stimulation and lack of routine. I can't be everything for her.
We decided not to send her back to preschool in the fall because seriously how the fuck are preschools opening up again? 4-year-olds are not going to socially distance or wear masks all day. We have people in their lives, but they still need a lot more than we are capable of giving them.
You just started going outside? Damn, I've been taking all my meetings on stroller walks