I take a walk or read.
Pray, pray, pray!
Going before the Blessed Sacrament is very peaceful.
I read that if you can't be in front of the Blessed Sacrament, you can kneel and point yourself in the direction of the Blessed Sacrament in
your parish, and that will suffice.
Also, reading anything on the Cathoic faith or turning on EWTN are great ways to unwind.