Nishikata's characterization is getting really annoying.
He is essentially the same character as his younger self, to the point that believing that he married and dated Takagi is really hard to believe.
I'm not saying the should be an uber-alpha man who teases Takagi and wins every competition but at least make him a little bit more affectionate, less of an idiot or anything that shows he actually grew up. Right now he seems like a massive manchild who never got past a mental age of 10 years.