It sounds as though it might not be PTSD, or if it was a very mild form. Of course I'm not in a position to diagnose you, only to give you suggestions. Here is a more informative list of symptoms for you-

Re-experiencing the traumatic event

• Intrusive, upsetting memories of the event
• Flashbacks (acting or feeling like the event is happening again)
• Nightmares (either of the event or of other frightening things)
• Feelings of intense distress when reminded of the trauma
• Intense physical reactions to reminders of the event (e.g. pounding heart, rapid breathing, nausea, muscle tension, sweating)

PTSD symptoms of avoidance and emotional numbing

• Avoiding activities, places, thoughts, or feelings that remind you of the trauma
• Inability to remember important aspects of the trauma
• Loss of interest in activities and life in general
• Feeling detached from others and emotionally numb
• Sense of a limited future (you don’t expect to live a normal life span, get married, have a career)

PTSD symptoms of increased arousal

• Difficulty falling or staying asleep
• Irritability or outbursts of anger
• Difficulty concentrating
• Hypervigilance (on constant “red alert”)
• Feeling jumpy and easily startled

Other common symptoms of post-traumatic stress disorder

• Anger and irritability
• Guilt, shame, or self-blame
• Substance abuse
• Depression and hopelessness
• Suicidal thoughts and feelings
• Feeling alienated and alone
• Feelings of mistrust and betrayal
• Headaches, stomach problems, chest pain

If you talk to a T about this or SI, your parents don't need to know anything about it, it is not the T's position to inform them of anything unless you specifically request so.