most people this happens once they get out of university and start working a stable job. i have been there myself, and the feeling is that you already have had your share of studying and learning, and that now you just need to apply it all.
if you follow that logic for a long time, you will probably find yourself not too happy about your professional situation.
there are many reasons to always be learning new skills. first of all it will make you a more versatile person, as you never know what kind of projects you will be working on the next year or the next decade.
secondly, the more skills you 