Fenrick said:
You can live without either one of them though

if we're talking that literally, the only things you 'need' are water, nutrients, sleep, medicine, protection from environmental hazards, …

if we're talking common sense, it's a matter of personal priority
'I need a vehicle so I travel to my job and home each day'

@bipface: no. WANT is personal. humans NEED more than what you said or they will go insane. i mean, for fucks sake, i'm living proof of that. porn is ALWAYS a want.