A domestic dog

play, amuse oneself, enjoy oneself / spend one's time idle, do nothing / for an item not to be in use, be spare or idle

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

dog; canine / one who is loyal (like a dog) / a spy

back; behind; other side / inside / reverse side of a coin ("tails") / (baseball) bottom (of an inning)

a house / one's own home / a home, household / a family

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

reverse side / back / other side

a dog