Ric Flair Praises Wife's Bikini Beach Body, 'I Have This to Live For'

Ric Flair's wife is helping him recover from his recent medical emergency ... by throwing on a bikini and hitting the beach!!!

The Nature Boy showed love for his better half, Wendy Barlow, with a pic of her chillin' in the sand on Tuesday ... saying "If For Nothing Else, I Have This To Live For....What A Healing Process!"

Flair -- who says it's a miracle he's alive -- credits his wife for being by his side while he was hospitalized for a week earlier this month ... and said he's never gonna slow down because "I got a wife that wants a 35-year-old man every day of her life."

Barlow -- who posted a mirror selfie of her own -- thanked her daughter in law, Charlotte, for putting her on a meal plan and WWE legend Torrie Wilson's workouts for keeping her in amazing shape.