After getting married on his 20th birthday, an Arkansas man is still making his bride swoon 70 years later.

90-Year-old Paul Miller sang a romantic rendition of Bing Crosby‘s "Let Me Call You Sweetheart" at a ceremony where he and his wife renewed their vows and celebrated the anniversary with 60 family members.

"It was so sweet," one granddaughter recalled. "Their love is definitely a true love."

The couple shares love not only with their own family but with kids who need help. Over the years, they have invited into their home a number of parentless youth who have aged out of the U.S. foster care system.

(WATCH the video below from Inside Edition)

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