Write two thank-you notes.
What if you tell non-Christians what you are learning from God's word or praying for, just like you would if you knew they were Christians?
Give some high fives today. Explain that it is National High-Five Day! Use a high-five to encourage people today! Rinse. Repeat.
If you have opportunity to give unsolicited advice or opinions start with, "Would you mind if I share..."