Ohearn Side Chair
Include the time of day, what activity you were doing immediately preceding the onset of your symptoms and what symptoms you experienced (runny nose, itchy eyes, etc.) This might allow you to pick out trends in when and why your symptoms occur, making it easier to adjust your behaviour and activities.
If you aren't sure if the convenience of the additional counter space a center island would provide is worth the extra miles you'll be walking to go around it, or if that sofa will look too large in your living room, try arranging some large cardboard boxes to approximate the size of the furniture piece before you purchase it. It will help you visualize the size and mass of the furniture in a very concrete way and you can get a better idea of how the space will work in three dimensions.