Blake Shelton has revealed surprising details about his relationship.
The Country music star confessed that his wife Gwen Stefani never believed they would last.
The pop queen doubted their love would survive because of her three children.
The "Don't Speak" songstress shares three sons with her ex-husband Gavin Rossdale.
However, Shelton happily embraced his life as a step-father.
The "God's Country" singer was inspired to raise his stepsons by his late father.
His father married the country star's mother and also raised her son Richie.
Shelton honored Stefani with a sweet Valentine's Day tribute.
The singer previously released a love song for his beautiful wife.