Anxiety is the series cost of humans using technology.
There are some tricks that can make phone usage less frustrating. For example, It helps to turn off all of your notifications and to put yourself into a control of time. Also, move all your apps to the second screen of the phone, so nothing triggers an urge to use it, when you just open the phone.
Number one, you should have a coach. Your health is number one. Professional athletes get coaches, and nutritionist, and so on to keep them going. It's important that founders approach their health with the same degree of importance.
At the time when Uber was getting ready to launch. although friends with the founders, Dave was still very broke. He was focused on his job at Facebook and did not feel it was right to be diluting his attention to somewhere else.