to show, to have somebody see / to display, to show, to demonstrate / to indicate, point out, to denote / to indicate (for a measuring device such as a clock to show a value)

sensitive

sensitivity

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

to react chemically / to respond, to react / be responsive, be sensitive

chemical reaction / reaction, response / feedback

(colloquial) current boyfriend

everything