There is always, every moment, something horrible happening somewhere. If you can’t enjoy yourself while someone else somewhere is suffering then you can never enjoy yourself.
I just posted the above comment on a friend’s Facebook status update. He was getting messages from people trying to shame him for posting pictures of him happy, because it might distress people who were not happy for whatever reason.
Personally I’m down quite often, it sucks when people are hurting and we should do what we can for each other. Telling others they have no right to enjoy themselves is not the way to do it.