Can I eat what I want during P90x?

So I've begun to start P90x but I can't really get all the things listed on the diet plan because I don't have a job or any money, and I eat pretty much whatever my parents put on the table (I'm Asian, if that helps, and most of it is just rice some meat, and vegetable everyday). I plan on trying to bulk up some muscle via the "Doubles" routine, but I don't know if I have to eat exactly what it says to achieve this result. Is it fine for me to just eat whatever my parents make for me, sometimes eating out with friends, or must I follow a strict diet plan, which is not very probably for me to do right now?