I used to play guitar. I even had two--acoustic and electric. I took lessons for something like six years, but sort of started giving up on it when the lessons got into music theory/improv. I just could never get the hang of improvisation. It frustrated me so much that I stopped playing altogether. I sort of wouldn't mind getting back into playing an instrument, but if I did guitar, I think I'd focus on classical acoustic or something. Songs that are already written and are meant to be played by solo guitar.
...I kind of really would rather learn to play piano, but I have tiny short fingers and also absolutely none of the needed equipment, whereas I still do have the two guitars sitting around.
But I have enough hobbies that I don't do as it is!
I've had good luck writing the last few days. I've been using 750words.com as a way to force myself to write. And I actually did fiction writing the past three days...today I was too close to midnight without having written 750 words so I just wrote a bunch of world-building notes. Which reminded me that I really need to do more of that kind of stuff so I actually know where I'm going/actually remember to tell the reader what's going on. I have a hard time working world-building info into a plot. It always feels like I'm info-dumping years and years of backstory at once...