Definitely not Billford

You have what you call a "muse", he came to you in a dream one night saying he could help you with your greatest dream if you made a simple deal with him. In order for him to help you, you'd just have to let him come and go from your mind/body whenever he wishes.

One day, you were meditating in a candle circle to talk to your muse with pictures and paintings of his around the room

"Heyy, sixer!"

((This is in the past btw))