Sounds a little like either burnout or depression could be at play here mate. I'd suggest three things; A) work on your physical health. You're in your 30s and

Sounds a little like either burnout or depression could be at play here mate. I'd suggest three things; A) work on your physical health. You're in your 30s and can absolutely be much fitter and healthier than you were in your 20s. B) consider taking time out of work and using your savings to do some cool things you've wanted to do for a while - maybe travel in Europe, spend your summer surfing and winter snowboarding or something. C) speak to a therepist and check your mental health is in tip top shape. It can have a really good effect to speak this stuff out to someone and reflect on causes. Whatever you decide, wish you the best. 35 isn't old.