That and/or knows on which side his bread is buttered. Plus there’s the sinking ship thing.
From what I've heard, Jeff Van Drew had the nerve to actually shake President Trump's hand at some kind of meeting involving the President and House members a few months ago ... and a bunch of radical leftists with advanced cases of TDS began giving him a ton of sh!t for it.
His old district in the New Jersey State Senate -- which he vacated when he won his current seat in the House of Representatives -- now has a Republican in it for the first time in two decades as a result of the special election last month to replace him.