Can you give an example of something that, when you look at it, you just know you would've never been able to make by yourself?
"implementing it really well" mostly comes from dedication and attention to detail, in my opinion. And of course, you have to actually care about the thing you're doing, and always keep in mind the user's experience.
I always point to a lot of the early work from John Carmack on 3d engines. There's a certain level of innovation and creativity in his mind that I may never have, at least when it comes to solving programming problems.
"implementing it really well" mostly comes from dedication and attention to detail, in my opinion. And of course, you have to actually care about the thing you're doing, and always keep in mind the user's experience.