to construct, to build up

close, tight (relationship or dialogue)

closeness, tightness

relationship, relation / involvement, participation / personal connection, family relationship / romantic relationship

be related / be romantically involved

(chiefly women's speech) first person singular pronoun: I, me

private; mine

(polite) first-person singular pronoun: I, me

a personal or private matter / (by extension) selfishness

a personal or private matter / selfishness / privacy, secrecy / (women's speech, obsolete) a brother-in-law