Twink, During the crisis, they become the "mirror image" of the person you know. They become opposite in all areas. So, if your h hated horses, he's going to love them now, etc.
Please do not allow his antics to get under your skin. Until his complete "self" has been peeled away and he realizes that happiness comes from within, he will be trying on all types of "masks" until he becomes his true "self". He's trying to grow up.
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.