Maybe. It's always good to play the game of asking whether such a signal is honest? ...why not just be unstressed and get white hair if it garners attention an

Maybe. It's always good to play the game of asking whether such a signal is honest? ...why not just be unstressed and get white hair if it garners attention and help? Which demands thinking in terms of tradeoffs ... What is the cost of premature white hair? Etc etc etc