Smile, hug your waist and talk in circles: It shows that before your grandfather died, your grandfather and grandson had a good and close relationship, and your grandfather was also very amiable.
Black Chinese tunic suit: It implies that your grandfather left you. Although it is in a dream, you still know in your heart that your grandfather is dead.
Interpretation of dreams: Your grandfather just left you. Until then, one of his wishes is to see you get married. Unexpectedly, god forbid, he can't see all this. Now that you are engaged, in your heart, you really want to tell him that you are getting married. You really hope that he can see all this and hope that he can live a happy and healthy life in heaven.