car bumper dropping off......

Shit...my car got bang by my classmate today.....i was reversing my car, bt suddenly out of nowhere, this mr. lim took for granted reverse also but fast...i stil manage to horn.....bt still 'bang'!...luckily no kemek, js a little scratch....bt i think the impact lead to the bumper cuming off when the other time, my car also kena langgar......aih...2molo need to spend time to go n fix...n he's gonna pay for it....