Laws in Oklahoma for 2 person rental lease question?

An unmarried couple rent a home together and are both on the lease. Person one has second thoughts about the relationship and voices their opinion of it but continues to stay and try to figure things out. Person 2 gets restless and goes home one night and kicks out person 1 and friends. 2weeks later and 3 days before rent is due person 2 demands person 1 pay their portion of rent. So person 1 moves back in since they are paying for it anyways. Person 2 wont accept any room mate offers or any attempts to get person 1 off lease. Person 1 stays with mom down the street only returning to feed pets. Person 2 set up a pool and lets person 1 out of lease. Person 2 then demands person 1 pay water gas and electric or will be taken to court. what should person 1 pay and what should person 2 pay? What will the judge say?