"Not being 100% in it" is subtle code for "I reject working with you." It's probably nothing you are doing. Think how a little kid would react. He is trying

"Not being 100% in it" is subtle code for "I reject working with you." It's probably nothing you are doing. Think how a little kid would react. He is trying to rationalize in his mind that it's actually you that doesn't want to work with him. It's a sort of "its not me its you" psychopathic characteristic that comes about because a person refuses to take responsibility for their own negative attitude. The person doesn't like you and its YOUR fault. Advice: don't waste too much time drawing this one out.