I find that it helps to use a straw and cover glass with Saran Wrap. Place the straw as far back in your mouth as you can.
That way you don’t smell and barely taste the liquid. Also have the liquid cold. Then just plan on sitting on toilet for the first half hour.
Helps to have book or iPad with you. I also put a towel on the bed sheet in case you have an accident later.The prep is the worse. Nothing
To the actual colonoscopy.