If given the choice of loving or tolerating my neighbor, I choose to love my neighbor. Love allows me to accept and build a relationship with my neighbor whether I agree with his outlook on life or his lifestyle. Love requires commitment, including, if necessary, sacrificing my life for the welfare of my neighbor.
Tolerance requires no such commitment.
I worked with a gentleman a few years ago who was gay. We had lunch everyday together. I made it clear to him where I stood as a Christian with regard to homosexuality. He was honest with me regarding his chosen lifestyle. We became good friends.