being kind to one another is beneficial to everyone involved; the person that you're kind to will feel slightly better about themselves, and you'll feel accomplished for making someone happy.
you can be the light that makes someone's day just a little brighter. smile at a stranger, hold a door for someone, say 'thank you' or 'have a nice day' to people you see. maybe you could compliment a stranger, or even just compliment your friends and see how happy it makes them.
this is a short article, i just wanted to remind you to be kind to someone today!! you never know what someone's going through, and a simple smile at them can make their day even better.