I have a bathroom on the second level of my house that is very narrow. I am thinking about expanding the load-bearing wall. where the vanity is currently up against, out approx. 3' to obtain more room in the bathroom. The other side of the wall is a bedroom, so there would not be any true obstructions stopping me. My question is what needs to be done in the attic to make this possible and not mess up the structure in the attic? Is this advisible? I have a drawing of my idea for this, as well as some pictures for reference, and if that would help, please e-mail me and let me know (doc@athenshomeinfo.com Any advise regarding the structure would be great. Thanks in advance.

So, in finishing my bathroom remodel I'm now just wondering, conceptually, why/how green board sheetrock works any differently than normal sheetrock if it's textured, primed and painted in the end anyway? It seems to me that the common denominator for both (in a moisture area) would be what's closest to the moisture, which would be the texture, primer and paint (all of which is covering the wallboard anyway), no?