Mine started as a white belt. Rolling with another white belt who was under the impression that a very hard headlock was a submission. Unfortunately my ear was folded over in this process, and I was kinda pissed that he was attempting this BS on me, so i just advanced position and pried my head out.
The next day I noticed a very small bit of swelling on my right ear. I didn't know what to think of it, eventually it went away leaving a small bump of deformed cartilage.
It wasn't an issue for a while, but this small bump sort of serves as a "hang nail" or "sore thumb" meaning that it is easier to aggravate since the tissue is less flexible, resulting in easier swelling and a more developed cali.
I now wear ear guards and avoid headlocks at all costs. the main reason for further development comes from competition where i don't wear ear guards. It is only on one ear, while the other ear is perfectly normal. I honestly can say I wish it would have never happened or i would have recognized earlier as a white belt exactly what was happening.
I have gotten pretty good at draining it myself when it does get swollen with an insulin syringe. I keep my hair a little shaggy so it isn't immediately apparent to co-workers or the general public.
Fortunately for me, I am the shallow one in my marriage. I was lucky to find a sexy wife who accepts me for who I am and actually thinks it is hot, but she does not like to see it swollen when it looks nasty. She will watch me drain it in disgusted amazement. :icon_twis