I go for a walk on the beach in the fresh air with my camera. We can do that too. Bring your wellies!
Make something. I love making candles as well as the obvious cards and LOs and mini-albums. Colouring is mindless yet absorbing.
Listen to classical music in the car. I found that my stress levels dropped massively on my morning commute when I switched from the cheerful, frenetic, upbeat local radio to Classic FM. I really didn't expect that.
Have a massage.
Do something nice for someone else. Buy coffee for the person behind you in the queue. Send a RAK to someone.
(I asked DH for a suggestion and he said "run nekkid down the road". I was
why would that make you deliriously happy? He said it would make HIM happy if he knew you were doing it just 'cos he'd said so.
Sure you still want to come and stay?