He that love his brother abide in the light, and there is none occasion of stumbling in him.
But he that hate his brother is in darkness, and walk in darkness, and know not whither he go, because that darkness hath blinded his eyes. 1John 2:9-11
Being a Christian involves more than just vocalizing our love to God. It also means demonstrating God's love to other. Humanly speaking, it is much easier to dislike someone than it is to love him or her. Grudges and resentment come easily. Yet bitterness toward others is a poison. Not only does it affect our relationships with other people, but it spiritually blinds us as well. Worse yet, harboring bitterness toward other people is a sin that can lead to other sins.
If you are having trouble loving others, hen you need to learn how to walk "in the light". How do you do that? First John 2:6 says, "Those who say they live in God should live their lives as Jesus did." Take a look at the way you treat the people in your life; then compare your relationships with Jesus' relationships in the Gospel. Here is a sampling of what you will find.
Jesus reached out to the unloved (Luke 19:1-10)
Jesus gave a second chance to a friend who had let him down (John 18:25-27)
Jesus showed patience toward those who questioned him (John 20:24-28)
Jesus cared for the sick (Luke 5:12-16)
Jesus initiated conversations with those whom others despised (John 4:4-42_
Jesus wept with those who grieved (John 11:1-44)
Ask God to help you love as Jesus loved, and you will see some radical changes in your heart and in your life.
( from how to find God NLT)