He may have a deep conviction one day that he has softened the next.
He doesn't respond well to over the top displays of emotions.
The whole reason that a guy will come back after pulling away is that he misses you.
A Libra man never pulls away until and unless he is very hurt.
Where does Libra like to be touched? What to Do When a Libra Man Pulls Away? Libras can be shy and they worry about coming on too strong.
Astrology can help you understand situations like this much better.