I'm Sick and Tired of My Everyday Routine

I cannot say i am uncomfortable with my job. Ive been working on a school kitchen as a supervisor for about 10 years now and its a cool place. I have a great workteam and friends. But sometimes I can't help wondering what if things would've been different. I wouldn't change anything of my life, but what if I had followed another way. It's something in my mind lately. Anyone else had this? Tell me I'm not the only one. :)