haunted, They such things to not only convince themselves, but others as well, that it's just him being nice or some other excuse. They do not want us to get our hopes up that they are starting to come to their senses. Yes, even though it starts out as a one arm hug and then moves on to a full hug and not pulling away, he's still trying to convince you and himself it's nothing more than just a casual hug.
It's another "trait" of some MLCers.
Sit quietly, the answers will reveal themselves when you least expect them to. The past is gone, the present is a gift and you need to focus on today, allow the future to reveal itself when it is ready.