Well it seems a little oxymoronish to Kill and be Kind at the same time...but being kind is the right thing to do, maybe instead of killing them they will learn to be kind also, or just be kind in return. The Golden Rule if you will.
There's nothing like a sad, slow song to aid in a postbreakup cry or to be the soundtrack to a bad day. It's a well-known fact that music is made to bring out emotions in all of us, but what may come as a surprise is that sad music can have the opposite
When I feel like channeling my inner angsty teen or when I feel the need to yell absurdly loud, I listen to music from those who feel the same. Weirdly enough, instead of fueling my frustrations, listening to angry music actually is a way to let off steam and channel feelings in a positive way.