As I browse around this site, I've noticed that almost unfailingly, every picture around here seems to feature the shirt tucked in under the kilt. Now, when I wear mine with a polo, or are trying to look nice, I'll do this, but 90% of the time I'm wearing a plain black t-shirt and not tucking it in at all.

I can't really tuck it in when I'm in the ring (for those of you that didn't read my introduction thread, I'm a professional wrestler and I wear a sportkilt in the ring), but outside of the ring it never occurred to me that a T-shirt would require a tuck.

I know the kilt is clothes, not costume, but do I look like an idiot not tucking? Am I breaking some unwritten rule? Or do you just like to show off as much of the garment as possible?