Tear is going to be much more open and easy-going due to not consciously holding herself back. I foresee clinging to Li fluffing at people she likes and blatantly adoring cute things orz
Saber is going to get it on with Zelgadis! ...Somewhat. And generally just be one level below her uninhibited Alter state.
Emil will likely be stuck in jerkass Ratatosk mode for the duration, picking fights and being a jerkass since Emil is basically the conscience side