How long is the validity of asking a fairy to hold a red thread

The period of validity is uncertain. The red thread is just a kind of folk belief and custom, its effect has no scientific basis, so should not be overly superstitious, in the pursuit of love and happiness, should pay attention to their own behavior and efforts, through positive action and efforts to achieve their goals and aspirations. Inviting the immortal to hold the red thread is a traditional folk belief and custom, it is believed that you can pray for the blessing of the gods, so that the fate and connection between yourself and your favorite person.