Good intentions gone south

The best intentions sometimes just blow up in your face. That's what happened today. I feel like I lost my closet friend when all I meant to do was help. How do you make sense out of the complete nonsensical? When someone tries to intentionally hurt you in order to get back at you for what they see as you hurting them...how do you push past that? I have an awesome husband who stands behind me and lets me know everything is ok. I'm so blessed with him in my life. I guess I just need to lean on him. Our little family and my friends are all I need. Oh I hope my son never goes through this...