It seemed to be a constant uphill battle for her: struggling with her magic and dark urges, battling with her old friends and support network while at the same time trying to find some reason to forgive them for casting her aside. In the end, she came to the conclusion she could not do it until the day came when Harry, Molly, and Ginny apologised to her for their ignorant behaviour. Snape was a constant help to her, silently supporting her without being asked.