Experiences - Why does Swim enter a K hole on certain uses and not others? (tolerance not a factor)

[typesh05]

Why is it that Swim enters the K hole on certain uses but not on others?

Swim assumes tolerance is not an issue as he has only used about 4 times over the last year, all with a few months inbetween each use.

On two of Swims experiences, a full "club jar" was snorted in a few lines, and Swim was in a full K Hole...unable to move, vivid open and closed eye hallucinations, the wave effect, out of body experiences, etc.

On two of Swims other experiences, he had open and closed eye visual hallucinations, but he was able to move, and knew what planet he was on. It was just a very very mild high with little euphoria, but still enjoyable.

Each batch was from the same reliable source every time.