No reason behind it, that's just the way they stand. They may not want their arm dangling in case it distracts the player.
gosipers
Generally not. If you have to do it behind their backs it means you believe they would not approve. If both parents disapprove there is a high probability that they have a good reason to disapprove - which means you shouldn't be doing it - behind their backs or right in front of them - or at all.
They hide machine guns behind their backs
if your parent's allow you to. don't do it behind their backs
Sometimes, because some people that don't intend to show emotion for example missing someone they intend to talk behind there backs to try not to show what they are really feeling.
Yes he always goes behind peoples backs the snae
Razor sharp claws, hunts behind others backs, etc.
no were not!!
They are called "backs." Depending upon where they line up, they could be tailbacks, fullbacks or halfbacks (collectively referred to as "running backs"), flankers or H-backs (usually slotted as receivers), or the quarterback.
We would be standing with our backs to each other.
the pressure from the two will be the same
Many friends talk behind eachothers backs no matter how close i think it is because they want to say something but to scared to say to their face it may be because they dont want to upset them but they want to get it off their chest