I lasted 10 years. Call it burn out, mid life crisis....whatever. 2 people I couldn't stand made it impossible for me to continue.
I left the job I started right after college, worked elsewhere for 2 years. Left there, worked at another firm for a year, then ended up going back to my first employer. Same 2 folks I couldn't stand were still there but somehow now I didn't pay them any mind. Been back for 13 years now. Sometimes you just have to GTFO for a while to appreciate what you had