I have a 6' built privacy fence - not pre made or plastic, and its getting older. It has started leaning outward (my fault, put stuff against it). anyway, treated, solid stained 4x4, thinking screw and glue to get fence to stop pulling away from posts. Treated screws 2"? and gorilla glue or construction glue tube long strip of glue top to bottom? also as screws go in coat them with glue? Thoughts?