When we first started "hanging out", we went to Rodeo Beach in the Marin Headlands. We were doing the normal, newly dating beach walking activities, including picking up pretty rocks and shells. At some point these 2 rocks, shaped like beans caught our eyes. We said the green one was me, and the red one, Eric. They have since represented "us".
Similar, yet different, from very different origins but somehow ended up on the same beach.