He wore a new tie to go with his suit.
From the old man's cardigan and frayed tie to the youngster's torn jeans plus lip-stud, dress stands for identity.
So for your next holiday party, go for a LRD (Little Red Dress), and suggest he wear a crimson tie to match.
That way you can breeze through your notes at the end of the script to tie together your thoughts, rather than flip through the entire script trying to find what you wrote down.
Darwin's genius-and, yes, genius is the right word-is manifest in the way his theory of evolution can tie together disparate biological facts into a single unifying framework.