tell me, were the first lessons in a PA28 aznd the sick lesson in a C150/152?
the type of airplane can make a difference in initial lessons
also
was your seatbelt fastened tightly enough to keep your butt in the seat or was it a littl eloose?
ginger ale (as we call it in the USA) is very helpful. remember too that when you go up, any gas in your stomach will expand.