I vaccinated and got boosted once. Been in giant festivals, meetups etc. Still haven't caught it. I can't tell if my luck just hasn't run out, or if I had an

I vaccinated and got boosted once. Been in giant festivals, meetups etc. Still haven't caught it. I can't tell if my luck just hasn't run out, or if I had an asymptomatic case. Lot's of friends who hadn't had it yet have gotten it recently, so I am very confused.