"use it in good health"
When I was growing up, my grandparents and other older relatives used an expression, "Use it in good health," or a variant, "Wear it in good health". This was said when you bought something that you were very excited about, or received a wonderful gift, or made a major purchase. If you brought home a new coat that you loved, and tried it on to show her, along with "It's beautiful," or "It looks great on you," my mother would say, "Wear it in good health." Another variant is, "You should wear it in good health." The you should part is a wish or a prayer, similar to the more formal (and religious-sounding) may you . It expresses a desire. In "wear it in good health," the you should or may you is understood. Tangent: there is also a sarcastic version of you should . "Maybe the Democrats will grow spines and vote against this war." "You should live so long." This is roughly equivalent to he...