You don't have to do add as a separate step unless you're adding it to the repo for the first time. You can (and I do) just `git commit file1 dir2` or whatever. I don't conceptually think commit+push should be combined; committing a version is separate from pushing it to a remote.

When I was getting started with programming I often forgot to do one of those steps and often ended up losing my work because I was working from a library computer or something.

When I got more experience I finally understood why it is like that, and it makes sense now, but its still a lot of steps for someone learning to remember.