Lazyness is a symptom of an underlying issue my guy, especially if it prevents you from doing the things you want to do
I know this is contradicting itself but if you want things to change you need to act anyway. Best would be to visit a medical professional
It might be for some, but not all. This is like saying being sad is a choice. Some choose to be sad, that much is true. Many don’t and still are because they’re depressed, someone important to them died etc