dotting the i's and crossing the t's

You should treasure every encounter, for it will never recur.

husband

(humble, only refers to one's own) a wife (married woman)

system

one for all, all for one

society (group of people sharing culture) / a class, a world of a certain group

raise one's hands; extend one's hands / (transitive) hold (something such as an umbrella) over one's head / (transitive) offer (sake to someone) / (transitive) pour; drip; drop; cause to flow or drip

spouse

my wife