How to say goodbye politely?

We are not suitable, let's be friends, so you won't be too embarrassed. Let's break up. It's not your fault. It's my fault. You'll be happier. Let's break up. It's not that I don't love you, but that you don't love me. Let's break up. Hello! Let's break up, not because you are bad, but because you are too bad to me, so let's break up. Let's break up. It's not that I don't want to be with you, it's that you don't want to be with me, so let's break up. Let's break up! How are you? I'm fine! Are you okay? I'm not okay! Let's break up. We are not suitable. Let's be friends so that you won't be too embarrassed.