Amy Reimann

Dale Earnhardt Jr. just got REAL candid about his relationship with his wife -- admitting they were crashing and burning in a big way ... until they started going to couples therapy. "Every day was like grinding gears,” Earnhardt said about his relationship with Amy Reimann ... "Just a lot of…

Dale Earnhardt Jr. is taking the ultimate checkered flag ... he's getting married! NASCAR's most popular driver proposed to longtime girlfriend Amy Reimann while vacationing Wednesday in Germany. Reimann posted a pic -- naturally flashing her engagement rock -- in a Lutheran church Dale says his…