True love never gets old — especially for 102-year-old WWII vet Harold Terens and his 98-year-old bride, Jeanne Swerlin. The lovebirds, who tied the knot in 2024 and still gush that they feel like teenagers together, had some Valentine’s Day advice for the lovelorn . “Never give up.” “It’s never too late to find love, especially a great love — look at us,” Swerlin, a New York native who lives in Florida, told The Post. “You have to be open — love will find you.” Terens is among the last of the