Should u hobby o ur Anniversary?
If you have to ask, then the obvious answer is YES - but on the other hand, since you're asking - you'll probably get the guiltless mid-session and lose your hard-on.
which anniversary??
birth, first masturbation, first base w/ first girlfriend, first home run w/ first woman, first met your current spouse or s.o., first time encounter w/ an adult sex worker, first time you did something you never engaged with your current spouse or s.o., ... ?????