Run in (one's) blood verb phrase
Used to say that one is born with a skill, quality or tendency
He composed music at a young age because musical talent runs in his blood.
Her parents are famous actors, so her acting skills runs in her blood.
It seems that her prowess in sports runs in her blood.
The verb "run" must be conjugated according to its tense.
A remark you make when you are leaving on the purpose of creating a stronger impact
The letter he left before leaving was his parting shot.