It's wrong to break someone's heart.
Ron and Romilda have been dating fora while, and for Romilda, the love isn't just there anymore.
Romilda wants to break-up with Ron.
Romilda invites Ron over, and they talk a long time about the situation, and end up breaking it off.
Romilda calls up Ron and tells him over the phone that she doesn't love him, and thinks he's a bad person.
Ron understands where Romilda is coming from, and they part amicably.
Ron's feelings get immeasurably hurt, and he doesn't know how to respond.