Is this for real? Not being able do your main task, whether it be coding or something else, for more than 4 hours a day is a very strong signal you need to do s

Is this for real? Not being able do your main task, whether it be coding or something else, for more than 4 hours a day is a very strong signal you need to do something you are more passionate about in my opinion. Startup founder here, I can easily code 12-13 effective hours a day when that is the top priority for the company.