Having worked in the clothing trade in my early years I have continued the habit of ironing creases in trousers (even in jeans). The OH, on the other hand, hates this and will only tolerate them if the trousers he buys come with permanent creases. I have to say the only thing I hate is seeing a crease down the middle of a sleeve and I still use a sleeve board to this day. Extra work I know, but old habits die hard!
Margaret x