Welcome Crustacean Think! (great name btw)

It's totally normal to feel nervous before takeoff... Experienced users still get nervous but have good mechanisms for dealing with that. It is truly a great mental expanse.

Your feminine tube-form entity sounds stunning. As you get more experience, you'll develop means of recalling your visions more clearly, although its always a challenge to articulate. Try keeping a journal or possibly an audio recorder with you- the sooner you start describing your experiences, the more you'll recall.