Drugs, music, meditation, adventure sports also provide that.
I like being with myself. So much so that I deliberately drive instead of flying so that I can have more "me time".
Ironically Self is the freedom. The problem is people haven't found what Self is and calling it all kinds of things.
One simple thing to look at - does it give you absolute freedom unconditioned by time and space? If not - this is not yet true Freedom.
Drugs, music, meditation, adventure sports also provide that.