Oh and btw "straight laced" and "strait faced" are two different terms and I'm not really positive but I think that is the "strait" that I should use for that term . But maybe not, I donno.
Latin strictus strait, strict, from past participle of stringere
Latin strictus strait, strict, from past participle of stringere
websters
But I'm just a dimbulb
I'm sure you've got it straight
probably just one of those things like color / colour and stuff