Can't focus on anything

I'm very interested in deep work and focus and have seen so many people who are laser focused for hours or many hours a day. But I can't do it at all.<br><br>I see that I only really focus if I've done what I wanted or have done it before, and if I start doing it and I get bored after 5 minutes then I stop and do something else, and I never have done the thing I wanted to do if I was doing it for more than 10 minutes, and I feel like I'm not ever going to be able to do it. I'd love to be able to read books, but I can't think of reading a whole book, it feels like a burden to me, I can't even start. I want to be able to cook and learn a new language and even have a regular workout routine, but I end up just doing what I already know how to do. I feel like a failure who can't focus on anything for more than 10 minutes and I'm starting to feel incapable of doing anything.