HumanLove often fails because it is a product of self. Never be surprised when it disappoints or fails.

The LoveOfTheLord is a fruit of the HolySpirit. It never disappoints or fails - 1Cor 13:8

The HolySpirit always operates in the love because He is love. He makes us good and able to bear good fruit.

So check your words and actions with the test of love. It they are not proceeding from the LoveOfTheLord then they are likely to be doing more harm than good.