failed account

i satisfied my prom night but i also failed my accout why like this??i only get 12 over 40 i really 1 cry lao.. so how.. i'm so sad.. today go my bf house having.... a few times... hahaha i also dont no why.. but now i really really very sad loh.. bcs i failed if failed coursework den i have to resit iao.. i dont 1 lah.. pls  god bless me lah.. dont give me resit one more time.. just waste money, waste time nia.... pls pls pls pls pls pls my god...