I don't think this friend is a good fit for someone with such extreme abandonment issues at all. Blocking you is not taking a break out of personal need unless she clearly explains to you what's going on and takes into account who you are and what this will mean to you. I hope you can work past this but if this becomes a habit of hers, it seems it will cause more harm than good in the end. With all that said, I guess I'm a very mentally and emotionally unstable person so take what I have to say with a grain of salt. Good luck and I really hope you find a more appropriate friend whose personal issues will not be so triggering to you, and who your issues won't be as triggering to them. Wishing you all the best. (((Hugs)))