For me, most of what I hate about being a dev is the culture and who I'm working with. Though I hate getting stuck on a problem I can't figure out too.
By being able to identify what I like and what I dislike about a thing, diving into the gritty details, I am better able to steer myself towards a better future.
Writing free software doesn't pay very well, on account of it being free.
Maybe I should work for FSF or Mozilla, but I'd really like to make enough in industry to be comfortable far into the future before I forfeit the chance to retire.
Keep increasing your awareness by responding to your answers by asking questions, breaking it down further and further.
For example, I patched Squid and Apache on the job, and those are "free" software. Out of everything I've done on the software engineer side, I hated that one the most, because the code bases were difficult to navigate for me at the time.