Some of you ought to be ashamed of yourself.
But if your interested in the answers.
Large implants do not prevent you sleeping on your front.
They do often end up with a sloping sag just as none enhanced breasts do its just less noticeable.
Depending on the type of implant you can either feel them or not. I expect the ones you are all discussing are the ones that the surgeon adds to they tend to be a bit harder than pre filled so yes you could tell by touching.
If she had cohesive gummies then chances are no you couldn't.
Breast implants if no complications occur do not mean you loose sensation long term they also do not prevent breast feeding.
People's nipples are not symmetrical naturally.
Yes there are plenty of uk trained surgeons who would be happy to do this and the main complication very large (for body) implants risk is symastia (sp)
And many many women who have very large natural breasts will opt for a implant rather than reduction if life events or age result in tissue loss. Frequent reasons are its what they are used to,the don't want the scaring from reduction,or they just like them.