There are different personality types and some just don't fit into the entrepeneur role. If you can't motivate yourself to get out of bed everyday and make work for yourself, it's not a smart decision. I've seen it in my business all to often. I work for myself, screw it, I'm going to the lake, bar, golfing,
If you are doing something you don't like, it will be even worse.
Now, I am a firm believer in one door must close before another will open. If your life is dominated by your job, when do you have time to figure out a new direction?