i agree... do you have a setup to where it will keep the odor from leaking out so you dad doesn't smell it? also if you TELL you dad you are growing beans, don't you think he might want to check it out sometime? is this in the same house as where he lives in? please make sure you checked all your angles. one of the first rules is to never tell anyone you are growing bud. you kind of told you dad that already that you are growing beans... he know there is something growing and what will you say when he wants to see it? and it is right around the harvesting time when you are so close to cutting and smoking?

just watch out as from what this thread looks like, you haven't thought all things through and your growing experience may be cut short if you underestimate your dad.