When he says "Your hair is so beautiful", as he removes the yarn like ribbon, breaks out his tying vise and uses the ribbon as an ingredient for a hot new steelie fly

When he knows the phone number for Cabelas and Teds by heart, and can't remember the day or year you were married

When he buys you a new baitcaster for your anniversary

When she sees the phone bill and sees tons of calls to a new number in another city. She calls the number and finds out it is your new steelhead fishing buddy Chuck. You met him three weeks ago on a river while fishing, and the two of you talk more than you do with your wife

When she comes back from the mall and hears giggling noises in the basement bedroom. She carefully enters the room, and sees you fondling your new Loomis 1143 rod