Love one

 If I decide that I want to love everyone, what does that require?

I have to be respectful. I have to be empathetic. I have to be attentive. I have to be humble. I have to expect suffering. I have to put the needs of others above mine.
These are the same things required to love just one person.
So there we are. Love is damned hard work, and there are not enough people willing to do it.