How does a Boeing handle turbulence?, page-16

a flying tin can is still a tin can at the pointy end or at the back
Bumpier at the back - yep

the only benefit up front is to lie down IMO.
Yes, the food is better - but I’m bugged if I can remember a single plane meal anyway - first, business or economy

the only thing I remember about food on any airline is the dreadful stench of food in Jetstar planes- an experience I never hope to have again.

whilst I’ve always felt safe in big planes - I’ve always kept the belt on loosely at least even when lying down where possible. Been lucky with turbulence, heard some stories though