Love isn’t nice feelings, it is the keeping of the commandments of God. The love of God is hard love because he is an absolutely good, righteous and perfect God:
1 John 5:2-3 King James Version (KJV)
2 By this we know that we love the children of God, when we love God, and keep his commandments.
3 For this is the love of God, that we keep his commandments: and his commandments are not grievous.
If we want to really love people, we have to speak the truth to them. Jesus spoke the truth:
Luke 14:26 King James Version (KJV)
26 If any man come to me, and hate not his father, and mother, and wife, and children, and brethren, and sisters, yea, and his own life also, he cannot be my disciple.
We are called to surrender all to Jesus. If we are not prepared to surrender all then we do not deserve the Father’s gift: Jesus Christ. For this reason, God instructed Abraham to sacrifice his son Isaac and Abraham did bring Isaac to an altar to be sacrificed. There is no cheap grace in God’s kingdom.