This is not sustainable, and not healthy. You're doing damage to your body that you won't have to deal with for some time but will come back to haunt you. This

This is not sustainable, and not healthy. You're doing damage to your body that you won't have to deal with for some time but will come back to haunt you. This degree of work makes me wonder what your lack of concentration at times does in terms of code quality, security, ingenuity, etc... Working more does not translate into better work.