I'm about 7-10 years myself, I've gotten pretty bored and unmotivated as well. But what I've learned is: Programming for money and programming for passion are two very different motivators. They don't have to be exclusive, but regularly are. And often it can become over extended.

So, here are somethings you can consider: Try finding work you're passionate about first, that also pays. Maybe work for a non-profit? Try to find a role that lets you expand from where you currently are, perhaps management, business analysis, marketing, design or whatever pet preference you have. The point is not to over extend a single skill. Consider less hours, I've personally found 30 hours a week to be tolerable. Relax that skill more often. Try working on different projects regularly, I work on different projects every 2-6 weeks. The change in pace & direction keeps me excited & interested.

Also consider: building passive income generators, you've been programming for 15 years (why isn't the code working for you?).

All in all, keep changing your angle until you're happier.

Just my two cents.