I have read a lot about touch in therapy both here and in general. What struck me as odd is that some therapists will allow, for example, a hug, but will not hold hands. I cannot comprehend it. Is holding hands considered to be more of a red flag than a hug? What about kissing on the cheeks?

My T is very strict, only gives me a handshake before long breaks. Two years ago, after a very difficult session and before the Christmas break, as we were standing by the door, he kissed me on the cheeks while he held my hand.

I'd love to ask for a hug, but hesitate. Although I think that holding his hand would maybe be more powerful for me. So my question I guess is: why some therapists allow some but not all of the above three (hug, kiss on the cheeks, holding hands)? Can you see a difference between them in terms of boundaries?