45 In Celsius: Funny Milestone Birthday Greeting Card

Some of your friends, relatives and workmates might be sweating a bit when it comes to turning forty-five years of advanced age. But you can cool off their anxiety about growing elderliness, divert their fears of fossiltude, with hilarity and good cheer by using this colorful, clever and humorous forty-fifth Birthday card. It'll brighten their spirits and lighten their 45th B-Day party up with laughter, as you scientifically point out to them that age is all in the eye of the temperature measurement system.