Resolving to old ways

I have been narc free and working on my codependency for around 2 years. I was doing so well, feeling strong and healthy and confident until I went travelling.

I find travelling quite stressful, including the change of routine. Just before my adventure I began to notice a change in my mental state. I went back to my old ways and wanted to contact my ex bully friend to apologize for the fact that I had recently deleted her off facebook. Like this was going to make a difference to the way she treated me and would continue to treat me.

I've recently returned from my trip and I am very jet lagged....I am anxious again and seem to resolve to old ways of codependency when I'm tired and/or stressed.

Anyone else experience this?