I'm tired of my husband smoking inside the house.

My husband (40) and I (36) have been married for 16 years, and I find myself increasingly frustrated with his smoking habits. He insists on smoking in the kitchen, despite the fact that the back door to the garden is readily available for him to use. He believes that by closing the door between the kitchen and hallway, he can keep the rest of the house smoke-free. However, he seems unaware that the smoke seeps through the gaps around the door, affecting the living room, stairs, and all the bedrooms. The smell has permeated our home—it's in the carpets, on the soft furnishings, and it lingers on the dishes left to dry. Even our fruit bowl is contaminated. As a non-smoker, I’m alarmed that my clothes reek of cigarette smoke, and I worry about the health risks this poses to me and our young children, given their exposure to secondhand smoke day after day. I've approached him calmly, asking him to smoke outside, but he consistently refuses, which usually leads to arguments. He doesn't respond well to being told what to do and seems incapable of empathizing with how I feel about this situation. I even suggested that he could smoke in the upstairs bathroom and vent it out the window if he couldn't manage to go outside, as I believe smoking near food preparation areas is unsanitary and harmful. Yet, he has dismissed that idea as well and continues to smoke in the kitchen. There have been instances when I’ve been cooking and he has started smoking right behind me, showing no willingness to compromise. His indifference to our children's lung development and health is deeply troubling. Additionally, it infuriates me when he ashes on the floor and kitchen surfaces. If you were in my position, what would you do?