Why are men so stupid some times?

I start walking down the stairs to put something up. I'm 1/3 of the way down when my husband sees me and starts walking up the stairs with a full load of laundry in his arms. I tell him to stop and go back down the stairs because I'm coming down. He doesn't. Stairs are getting bad enough for me. I get 2/3 the way down and he refuses to go back down. He tells me he can't because he has laundry in his hands. Of course I tell him he freaking saw me coming down the stairs before he started coming up. I have to squeeze my pregnant belly up against the banister in order to get past him because he refuses to go back down the stairs. He then has the nerve to say, "it's always about you." Yes, it is about me. I am freaking carrying his child and he wants me to move for him when he knows good and well I was coming down our 120 year old stairs first. Seriously?! You want me to fall down these stairs and risk mine and your daughters life?!? It may sound silly, but this is the crap he says and does during this 3rd pregnancy! Ugh!