I've never heard that but I like it.
I can't speak for everyone, but personally once I have given my complete and honest love to someone, I can never take it back, no matter the hurt or the pain loving a person might cause me. I will always care, always think of them, always hope for them, and always want the best for them, even if we never see each other again.
I've been hurt numerous times by people I love, but I just can not seize to love. That being said, I don't let love be used as an excuse for someone to hurt me. You can only be hurt by someone so much before you have to walk away, no matter how much you love them. It is true, that sometimes love isn't enough.
Love can conquer all inside of an individual person. It can help you see past all flaws and to the core of an individual, but it can only do that for the one loving. I hope this makes sense but I feel like love can change the lover, not the loved. The loved has to let their own love as a lover change them. (And I don't mean lover in a romantic sense)
Did that make sense?