I'm sure there is a 'rational' [='sensible, reasonable'] explanation for his decision.
Humans are 'rational' beings. [=are able to use reason when thinking about something]
No 'rational' [='sane'] person would behave like that.
(..) Problem? The online description was completely misleading. They said eight slots plus removable ID. To any rational person, that would mean room for nine cards. But they don't tell you, the removable ID takes up one slot. It's a nightmare. Okay, now, do you really need... (..)2007 TvShow: The Big Bang Theory Title: The Grasshopper Experiment Season: 1 Episode 8