How to remind each other of foot odor directly without hurting each other and without embarrassment?

Face the problem and communicate with him directly. If he is a person who is easy to get along with, then you can grasp the size appropriately and try not to point it out clearly during the conversation. He will have This characteristic of foot odor. Therefore, it is necessary to introduce the topic appropriately, and then communicate appropriately, and do not be too intense, which will cause the relationship to be very awkward. Or the friendship between two people no longer exists. During the conversation, you can talk about your past events and your own experiences related to this matter.