the.com/alone
The state where your only company is the one keeping score: you.
means Being by yourself, with no other person present — by choice or by circumstance.
from From Middle English al one, literally all one — a whole made of exactly one.
Word surgeryChop off the al and you get lone.
Not lonelyAlone is a fact; lonely is a feeling.
Hidden wholeThe one in alone once meant complete, unto itself.