On the Sixth day of Joy....

solve this riddle .....

I am always with you, but never in sight, I bring you joy and happiness, day and night. I’m not a person, place, or thing, it’s true, But without me, life would be dull and blue.

What am I?

I hope you enjoy this riddle! 😊.

“If it’s zero degrees outside today and it’s supposed to be twice as cold tomorrow, how cold is it going to be?”