Agreed. I've noticed that sometimes I get a huge boost of happiness by simply smiling and giving a greeting to strangers passing by who seem to be having a toug

Agreed. I've noticed that sometimes I get a huge boost of happiness by simply smiling and giving a greeting to strangers passing by who seem to be having a tough time... Seeing the huge smile on their face when they see a random stranger greet them brings me to the verge of tears. The life of this world can be tough on people. Every little bit helps.