What should I do to enjoy life again?

I have various hobbies I enjoy Trains (die hard railfan), Paleontology, Zoology, Astronomy, and Geography. I like fiction such as Star Wars, especially the first six movies plus the original expanded universe (now called Legends), and I like Mortal Kombat, especially like the story in it. I like music, some of my favorite artists are The Beatles, The Rolling Stones, The Who, Led Zeppelin, Black Sabbath, Deep Purple, Rainbow, Blue Oyster Cult, Queen, Thin Lizzy, Aerosmith, Night Ranger, BTO, Mountain, Moxy, Scorpions, UFO, Uriah Heep, Metallica, Megadeth, Judas Priest, Iron Maiden, Pink Floyd, Rush, Yes, Jethro Tull, Styx, Journey, ELO, The Bangles, Fleetwood Mac, Jimi Hendrix, Cream, Eric Clapton, Stevie Ray Vaughan, The Doors, Bob Dylan, CCR, John Lennon, Tom Petty, Triumph, Santana, Red Hot Chili Peppers, Foo Fighters, M83, Sigur Ros, Montrose, Van Halen, The Allman Brothers Band, and Johnny Cash.

I have had OCD for years and it has ruined my life. I can't read like I used to be able to. Much of the music I once enjoyed now sounds so generic. I also take peroxitine and all I want to do is sleep. I want to enjoy life again. What do I do?