Trump's approval rating has fallen to 37 percent — the lowest of his fledgling presidency, according to Gallup. His disapproval rating rose correspondingly, hitting 58 percent.
— ABC News
As November 2018 approaches, Trump's congressional allies will begin fleeing. There is no loyalty in political self-preservation.
As Truman (reputedly) would have told Trump: If you want a friend in Washington, get a dog. In Trump's case, however, that would be rather redundant. (My apologies to the canine population.)