Button-down collars usually work best when worn with a pair of slacks, or under a crew neck sweater.

WSJ: Guide to Men's Shirt Collars: Which Styles Go With Which Occasions and Flatter the Face

Just take it down when the shock value has worn off.

CNN: Hey, you two, dial it back just a little

Deciding when to walk from a worn-out, existing portfolio company vs doubling down is a tough choice.

FORBES: Sunk Costs Don't Matter in Venture, Until They Do