when you are in the air , imagine that same ball directly behind or below you and you will rise and fall . '' the man tells me everything i need is in the drawers and cupboards . several people saw us along the way , and i noticed a few raised eyebrows and some whispering . do n't have electricity in the cabin half the time . he closed the journal and looked up . he wore a black , streamlined gas mask that hugged his face tightly , almost like an ultra-thin motorcycle helmet . 