As far as I felt, like that. To some extent, he has strength will but also he has weakness. He is type of person who does not show his real thoughts and always looks for amicable solution.
Weakness is shown sometimes. For example, if he thought you for 4 years, he should talk with you on face to face for the resolution /closing. But he just refused to do so but just axed communication. He was irresponsible for valuable 4 years.
Just axed communication shows his easy way to be with important counter part.