My go-to writer in bad times and good times and all the times in between. If you love witty humour, try it. Or start with the TV show with Stephen Fry and Hugh Laurie (although there are so many funny things in those stories that can't be done on screen)
There are a number of authors who can make me laugh but Wodehouse is one of the few, and the best, at actually lifting the spirits and making me happy!
I think you can pretty much hop in anywhere, they're loosely connected with a few recurring characters but most of them are pretty self-contained. But the Jeeves & Wooster ones are the classics so maybe that? I'm also partial to the Psmith stories myself (the p is silent, as in pshrimp.)
I love Pratchett and now I've been reminded to read Wodehouse again. I did get the Woodhouse Ultimate Collection a couple of years ago, so I guess I better get started on it after I finish my current book.
The Salmon of Doubt was a collection of interviews and short stories with Douglas Adams. In it he's asked his biggest influences and he mentions Richard Dawkins, the evolutionary biologist and writer of The Selfish Gene, which is one of the most influential books I've read in my life which I snagged after seeing that recommendation. He also listed PG Wodehouse as the funniest writer ever and I bought a huge book of collected stories off Amazon and have worked my way through them ever since.
Absolutely hilarious and, like you said, just leaves you coming away glowing.