Help Help Help Please

[c0dy]

K so im at a friends house right now and his plant looks like its going downhill


basically the leaves are getting almost black-ish and some are even dying like there breakable
so all the leaves that were dying and almost dead we plucked em
what do we do know and what is a good idea to help this crap

 

[THE BROTHER'S GRUNT]

In order for you to get help you must provide us with some information on the grow. Like what are you feeding it? Lighting? How often do you water and so on?