Tip your waiter/waitress/gas attendant extra and tell them simply, "You matter."
Buy a coffee or a drink as an excuse to sit and watch people. Try to watch and observe for 20 minutes. What do you notice?
Today is National Telephone Day. Use your phone to actually call a friend! https://nationaltoday.com/national-telephone-day/
On your way to church this morning ask God to use you. Be looking for ways to serve. Tonight look back and review how he did.