1.) For other Gov/Stat most likely u can wait, for army, I think
u have to periodically check if u really want to know.
2.) If u have a determine mind to slim down, i.e. diet cum
excerise. BMT is enough to slim one down liao. BUT dun go back to
old habits after BMT or else no point one
I am good
example. 
3.) Yep. Bo pian, u got leadership quality, got perfect soldiering
skills. No paper, no rank. So u now roughly know how the higher
uppers will fair.
4.) Depends on which vocation u are posted to. But u definately can
ask.
5.) Depends on how the RO is for that day. If relac relac, nothing
to do, ur officer gives the nod, ur camp got gym. Go ahead. Note
.
6.) Police I dunno.