[henrik_w]

Keep doing it if you love it! Sure, you have to learn new languages and tools every few years (at least), but your experience is still valuable - http://henrikwarne.com/2014/12/15/programmer-knowledge/

For the record, I've been programming professionally for close to 25 years, and I still love it - http://henrikwarne.com/2012/06/02/why-i-love-coding/