What you have to do, is little things.
The walk in the park, the bottle of beer cooling in the fridge, the film you've chosen to watch at the weekend. Me and my Dad occasionally pick some craft beer and drink it on Skype. Mrs Wisdom has just made some excellent flapjacks and that may be a small thing, but it's a fine treat. There's a hamper of goodies being delivered this week, ordered by me... for me
Then, start planning your Christmas, maybe. Might not be how you'd have wanted to spend it, but what food would you like, who's cooking.
There are always things to look forward to, but you'll have to find them in different places.