A character with this rare impulse-control condition may hide it for a variety of reasons, including shame, a fear of being shunned or prosecuted, or an unwillingness to stop because of the emotional stimulation they experience from setting fires. Many pyromaniacs know their actions are dangerous and harmful but still struggle to control the impulse.

Dark or Disturbing (primary); Illegal or Immoral Acts; Regrets, Guilt, or Shame

BEING JUDGED, BEING LABELED, DISCRIMINATION, HUMILIATION, ISOLATION, LETTING OTHERS DOWN, LOSING AUTONOMY, LOSING ONE'S MIND, LOSING THE RESPECT OF OTHERS, NOT BEING IN CONTROL, NOT FITTING IN, REJECTION

Not trusting themselves to go anywhere near a place where there might be fire 
Not being able to watch movies or tv programs that involve fire for fear of being triggered
Not being able to go camping
Avoiding dating anyone for fear that the impulse to start a fire will rear its head
Suffering from low self-esteem which makes them inhibited and risk-averse
Not seeking the help they need for this and other related challenges

Choosing a career that enables them to be near fire, such as a firefighter, arson investigator, or pyrotechnician
Taking up a solitary hobby (hiking, camping, fishing, etc.) that enables them to be alone in an environment where they can set fires
Always having an alibi when a suspicious fire was set
Devising an alter ego—e.g., a false identity—to hide evidence that could tie them to a fire (purchasing supplies, leasing a storage unit, etc.)
Renting a storage locker or separate place where they keep their fire paraphernalia
Frequently changing their clothes and taking showers to get rid of the smell of smoke