What is when a guy says take care?

"Take care" is a casual phrase used as a farewell in conversation. It is generally used to express a sense of concern or well-wishing towards the other person. When a guy says "take care" it can mean that he is concerned about the welfare of the person he is talking to and wishes them well. It can also be a polite way of saying goodbye without getting too personal or emotional. In some cases, it may be used as a throwaway phrase with no real meaning or intention behind it. Overall, "take care" is a friendly and polite way to end a conversation.