According to Paula, the way he treats his girlfriend is better than the way he treated her. Paula says throughout the first and second verses that she's not jealous, but overall she really is aware of the changes, and really wants what her ex-boyfriend is giving to the other girl.
According to Paula, the current treatment towards his girlfriend surpasses how he handled her in the past. Throughout the first and second verses, Paula indicates that she's not envious but actually recognizes the differences and desires what her ex-boyfriend offers to the other girl.