I Sent My Chief Negotiator - You're saying your friend went to an important event instead

You're saying your friend went to an important event instead of you because you're too self-centered to do it yourself.

I sent my chief negotiator to the interview because I was too self-centered to go.

I sent my chief negotiator to the meeting because I was too self-centered to be there.

I sent my chief negotiator to the exam because I was too self-centered to study.