A few friends have experienced this and when they began to pray things changed. The advice my 1stg lady gave them was pray, continue to invite him out and leave it at that. Also enlist the mens department. My husband calls and always seeks out the men who dont attend or rarely attend. God uses men to encourage men. When I 1st met my husband he was in grad school and not committed to anything @ church, Now he is a deacon, leader inmens dept, leader of the older youth, usher, and all this because I left it in Gods hand, kept him abreast of all the goings on he was missing in a non accusatory way and the other men who were grounded encouraged him no matter how little interest he showed in committing to anything. So wait on the Lord. He will come around. Also if you have children..once their performances and recitals begin..he will at least attend those.