There will be a very important person in everyone's life who is very difficult to part with and doesn't want to leave. But everyone seems to understand that few people can stay with them for a lifetime and never leave.
The half-moon moon will always wait for her other half. No matter how long it takes... She really envies the moon during the Mid-Autumn Festival...
Purpose: If you really love her/him, then please cherish every minute and every second you spend with her/him...