Seminary professor Chuck Lawless gives a good reminder of why the Body of Christ is necessary. We cannot rely on 1 person (no matter how awesome I may be) to do everything.
The Babylon Bee is a satire website (the content is made up and not real). Remember that as you read a comedic presentation of what it would take for politically motivated evangelicals to abandon a Republican.
Lifeway gives a great list of why belonging and not merely attending a church matters so much to the Christian.