Welcome to SB Nation Reacts, a survey of fans across the NFL. Throughout the year we ask questions of the most plugged-in Denver Broncos fans and fans across the country. Sign up here to participate. In all of the years we have run these SB Nation Reacts surveys of the Denver Broncos, I have never seen 30% plunge in confidence after a win. Those plunges always occurred after a loss and a surge in confidence after a win. The results here are actually shocking. While I could say this is an overreaction, but we waited until late Tuesday/early Wednesday to…