One of my pet peeves while driving is the fact that people don't use their turn signals."Nice signal buddy!" All vehicles have them and I am sure the majority of them work. People just decide not to use them. They benefit the driver but they also benefit those around the driver, maybe even more so than the driver.
God has given us all gifts. They benefit us, but they are also given to benefit those around us. Use your gifts!
Each one should use whatever gift he has received to serve others, faithfully administrating God's grace in its various forms. 1 Peter 4:10