Nature is the closest frined of human being.

Explanation

i. Human beings are connected to nature in various ways.
ii. Hobbies such as gardening, bird watching, walking in forest, lingering n nature, rearing domestic animals, etc. help to creacte posivite mindset and improve confidence and thus, it helps to maintain social health.
iii. Spending time in open environment also helps in reducing stress.
Hence, we can say that nature is the closest friend of human being.