I agree that lockdowns and the pandemic have been terrible for mental health. I was previously mentally fairly resilient, and my MH divebombed a few times over the last 18 months. I'm also a person who has been out very little and is still more cautious than most even after double vaccination. I live in a household of 4 CV/CEV adults and one home-schooled child though! I was self-appointed designated person for going out on essential trips (because I didn't trust other members of the family who were laze faire to keep themselves safe). I have a dog so have been going for walks throughout, and some of my household come with me some of the time. Being unsure about how far I could go out when derbyshire police were arresting people for going 5 miles meant that I felt unable to visit local nature spots and has to stick to town walks, which has a surprisingly strong impact on my MH. It was all so bloody stupid, because I could get much further away from other people in the nature spots than I could on town walks.
Before being double vaccinated I only met up with two friends, once, outside with masks on. I have developed a busy social life on the computer and I'm unwilling to give that up anytime soon.
Since being double vaccinated I've gone back into the office (their choice not mine), been out for one pub meal and am now finally happy to pop into shops etc. I still will avoid crowded places, even outside. I'm seeing a group of friends outside next week.
I think I'm an example of somebody who was a good mixture of all the things that made people take it to the extremes. a) am CV and shielding others in household who are CEV, b) I found that I enjoyed the quieter life and didn't miss seeing even close friends in person, and c) my mental health suffered which caused me to be one of the ultra paranoid people - I think the highlight of how ridiculous I got was wearing masks for dog walks in very open areas, just in case I met somebody, and turning around to avoid a lone man on a walk whose breath I could see condensing in the air, and more or less having a panic attack about it.
At my most cautious I was avoiding taking the car out as much as possible to avoid needing to buy petrol, wearing gloves when I had to go out and touch things, washing groceries and pretty much barricading my gate, with huge signs too so that delivery people wouldn't let themselves through the gate and up to my door so that I could control the distance the interaction happened at (didn't work!).
When you believe that the virus has a strong likelihood of killing you or one of your family members if you bring it home, it doesn't sound insane to wash groceries and not go out.
You're welcome to AMA.