House Rental Lease Agreement Breaking A Rental House Lease Agreement In Canada?

Breaking a rental house lease agreement in canada? - house rental lease agreement

My girlfriend and I have a lease for 6 months, but I can live with it and for some reason, and I leave.my question is whether I'll break the contract, I go to jail? or what happens if I do to break the lease? I have to pay the outstanding income? What happened? TY