The theological definition of the Trinity is, ” God is one, there is no other gods but one. He exists in three distinct personalities the Father, the Son, and the Holy Spirit, who are all equally eternal, without beginning and without ending, equally omnipresent, God is in every place, they are equally omnipotent, they are infinitely powerful, they are equally omniscient, they know everything, there is nothing they do not know. They are totally unified in purpose and they are infinitely in love with each other.
We are created in the image and likeness of God so we will have an incredibly strong desire for relationship. We have a very strong desire for community. Solitaire confinement is about the most cruel punishment there is for us as people, because we are created like God.