how is life in articleship specially big 4??

i am presently doing ipcc...i just want to know how is life in big 4?

is it really very bad?...cant we have little bit fun like college....cant we have friends over there and talk...

do we have to work thre 12-13 hours daily?

pls tell me everything abt big 4 ..becoz i am nt a very hard working guy....i am actually afraid...of going thre bt my parents are saying that u have to be in big 4