thin, diffuse, sparse / lacking, wanting / improbable

thinness, diffuseness, sparseness / lacking, wanting / improbability; low chance

he / distal demonstrative, something far off removed from both speaker and listener: that / boyfriend

distal demonstrative, something far off removed from both speaker and listener: that, yon / particularly, male personal third person pronoun: he / by extension from he: boyfriend

he; boyfriend

hair on the head

hair

year in, year out

everything

(colloquial) current boyfriend