Jacky - I so hear you my friend. The stress theory irritates me a little because it always makes me feel if only I had have managed my life better....if only I hadn't done this or that. It makes me feel like I am somehow responsible for the manifestation of my cancer.
I also have had some people tell me it's I undealt with childhood trauma (I didn't actually know I had had any) or that it's trapped anger.
You know what .....I think that stuff is all crap. For me it's pure science. If I look at Mother Nature and she is full of anomalies and irregularities - and I think this with a combination of a saturation level of chemicals and genetic predisposition - and here we all are with TNBC. I also am the youngest at breastcancer groups and chemo - and I am 51.
Where do you live? I would love to catch up for a coffee sometime. I am about to do my last chemo tomorrow.....