He wants Mikayla out because he is in LOVE with her and when his wife finds out she will throw him out (again) for cheating on her. He probably got his tat's in the local jail when he went in on a drunken DV charge. the only reason she took him back is because he found religion and for the kids' ...
the version you are looking for is off of "Pack up the Plantation live". The one you r looking for is the one where they sing and then Tom says " You're gonna put me out of a Job" right? I like the part where he tells his woman to pack and just Go, I'll be OK this is an adult situation. COOL JAM!
Don't read too much into the lyrics, shut off your mind and listen to the KILLER GUITAR in this song!!!!!!!