Lawyers and good behavior
Yes, you could go to prison if you hack somebody's email. Hacking into someones account is illegal and should not be done under any circumstance at all.
No.
No
Never.
Ask any of the thousands who are already there.
If you get married while you are in prison, you prison sentence will not be cut. Getting married while is prison has nothing to do with your sentence in any way.
Prison guards are expected to prevent any attempt by prisoners to break out of prison. Time to celebrate; break out the beer.
No, if you are in UK Jail at the time of any UK election you can not vote.
Do you any other way at that time to tell you someones calling
Bringing any type of contraband into a prison is a felony. So any one doing this will be looking at prison time for them selfs.
Yes, any form of evasion or fleeing and eluding can result in jail or even prison time.
As an overstay, it is unlikely that you would be sent to federal prison. However, you would be subject to arrest and deportation at any time.