I was also skeptical when they released the covid vaccines but then once I found out people who worked in the NHS in our group of friends had it without issues I started to relax my concerns.
I understand your concern over long term trials however there haven't been a lot of issues from Pfizer and Moderna vaccines, not more than ibuprofen or even the birth control pill would have.
It's been over a year since my first jab and I exercise in the gym just fine and feel entirely normal. Lots of people feel completely fine and I think I count as a long-term study subject by now.
People are not banned from reporting any side effect, you can download and view VAERS data yourself.
I hope once a long enough time period goes by and people see they're safe and the vaccinated are entirely fine they will feel more comfortable about them.
he's also declared he'd never sleep with a vaccinated woman. and for any of his "good" advice, like working out and working hard bla bla bla anyone could tell you that