I know it sounds a bit harsh, but it's a pretty accurate statement.

Maybe it could have been something like - Prioritise your health or live a miserable life and then die early

or 

Prioritise your health and make more money 

It could be any of these actually.

More accurately it should be

Prioritise your health, so you are of greater value to those around you and the tasks that are important to you

Boom

My original title is just clickbait, lets see if it works