The sudden change after a moment of intimacy is something that happens a lot in MLC'ers. Its sometimes called pulling back. Its part of the pursuit and distance dance. After pursuing such as with ML, they suddenly question their motives, why they did it, realize they are not yet ready, and so they make it a point to let you know that the episode did not mean that things are fixed, and act that way as well.
Just keep on going, be extra careful not to show you are expecting anything, as it may keep hi away all the more. and mirror his behaviour. If he is being cold and avoidant, then keep away as well.
Also, don't show your worry and anxiety about the move. It will translate to your not trusting his decisions.
Me:49 H:45 D:12 M:14 T:18 Bomb: 6/26/10 EA: 9/3/10, fizzled out slowly, now ??? 11/5/11 Retrouvaille Finally piecing.... Its peaceful at last, but we got a looong way to go