 of the house so these are things that you really need to make sure and and again shear was not taken into account so much back in the day now they did go in and put bracing in walls and things like that so it's not that it's that but if you're going in and modifying it it's something if you have a lot of glass a lot of openings in an exterior wall these are things that you should be paying attention to and that's why that engineer is always good to go in there and make sure