It s not arrogant. It doesn t boast. It s not rude. It doesn t puff itself up and make us think that we are more important than others. Love is patient.
Love is kind.
And then he says Love never ends. All other things are temporary. Knowledge and prophecy and ecstatic tongues, all of the ways in which we relate to God will come to an end except one. Love never ends. By that I think Paul means that God s love for each one of us will never end.