I am pleased that Joe has written this book, as I have had to deal with these questions in my own practice relatively often, as have many other therapists.
If he stands shoulder to shoulder with you or is perched at the edge of his seat while you chat with him, it's likely he can't bear to be any further away from you.
5 Confusing Signs He Likes You (And Is Falling In Love)
In fact, while it may be known more commonly as when a man sits with his legs spread widely apart, this unspoken action actually speaks volumes in terms of his interest in you.