I'm another one going through something similar. I think girls are more sensitive to all this, especially when they are single or just broke up, i'm goign through it with someone too, she keeps telling me that we are in "differnet chapters in our lives" i'm like, why?! just cause i'm getting married? i still do everything the same as before, we still hang out we still chat, but now it's different, i hate it.
one girl commented, friends stick together through good times and bad...and well it sounds like you tried to stick through for months, but your friend just let you go, she didnt stick through. sucks. i'm sorry you went through that...just keep smiling and know you have a man that you will always have as your best friend for the rest of your life.