Replying to Imminent knee injury??

I've been going really hard this season in general on top of being on my first season of park. I'm about 30 days in this season which is a lot considering I'm like 2h away from my local resorts Anyway, I've been noticing a slight discomfort in my left knee. Like top and above my knee cap area. It's fine when I'm walking around but it kinda bothers me when I'm walking up stairs or bend my knee a lot So I got a question for peeps that had knee injuries before. Did your knee bother you before you blew your acl/mcl etc? I'm skiing like every weekend and not sure if I should take it easy or what