What does it mean to hold an umbrella alone?

The day when a person holds an umbrella is the day when there is no one to talk to. You won't find strength through social interaction, but through yourself. Loneliness is a feeling and experience of subjective isolation and alienation from others or society, rather than an objective state; It is the self-sealing of a person's living space and living state, and lonely people will leave social groups and live in a negative state.