It's wrong to abandon your partner.
Jack is living with Jessica and Jessica is having a nervous breakdown Jack doesn't like being around.
Jack wants to leave the house while Jessica settles down.
Jack leaves for a few minutes to let things cool down, but comes back and doesn't abandon her.
Jack leaves, and never ever comes back to the house where Jessica was, abandoning her.
Jack and Jessica repair their relationship and have newfound respect for each other.
Jessica gets mad at Jack, and they both get into long arguments over the phone.