I am here! So we have to...
You yell this when you're the host and you're mad that your guests are having fun without you. It's like saying, 'You're here, so you're stuck with me.'
I am here! So we have to. You're not getting out of this party until I say so.
I am here! So we have to. I'm not going home until you all are.
I am here! So we have to. You're not leaving until I'm done being bored.