You arrived at the agreed upon cafe to meet your blind date. You find the table and the man sitting at it smiles as you do, soon you'll learn that it was dates not just date.
Dick; "Hey I'm Dick, Dick Grayson nice to meet you." He offered you a seat. You paid no mind to the fact the table is set up for three people. You just suspected that it was the only one available this is a very popular place. Then that thought changed when a woman with long red hair and green eyes came and sat down, she was, no she is, beautiful.
Kory; "Hello I'm Kory. Nice to meet you. We are so excited for this." She said with a wide smile as she started at your dumb founded expression. She could only imagine what went through your mind.
Thats when it dawned on the two, they forgot to tell you they are a poly couple looking for a third. Together in unison by accident they spoke. "We are a poly couple and you have actually been speaking to both of us online!"