It suddenly got dark: your wish didn't come true. Moral: You still don't have a trustworthy friend, or a friend who meets your inner requirements.
Go back to the site to eat, all finished: loneliness is materialized. Nobody wants to wait for you to come back for dinner, and nobody cares about you. Moral: the desolation in my heart
I eat alone: a portrayal of loneliness
Someone 1 watched me eat: this person in your dream is the person who said the first sentence at the beginning, and also your desire for friends, because this person must be vague in your dream.
Interpretation of dreams: loneliness in your heart longs for someone to resolve it, but the bleak reality makes you expect someone (maybe friends or relatives, lovers, etc. ) to warm you.