The most painful and strongest transference/attachment in my life was toward my primary school teacher.. It was nearly obsession when I was in my early teens because I was missing her so much and I couldn't find relief.

It took me more than 10 years to get over it somehow, and when I see her I still feel something between pain and warmth in my heart.
It is/was a parental thing, while surprisingly I don't see my t as a parental figure at all, but more like a *teacher* or a guide.