Try to resolve it but first you have to calm down and turn back about what you did was wrong
A concussion, as found on Google, is a "temporary unconsciousness caused by a blow to the head.", which means a really hard hit to the head, and then a knock out or a blackout
Some symptoms that are usually associated with a concussion can be but are not limited to: headaches, memory loss (if severe), nausea, vomiting, slurred speech, confusion, and fatigue. There can also be sleep disturbances, sensitivity to any type of change, such as air or light, and disorders of the 5 senses (sound, sight, touch, smell, and taste).
The first one is A, in order to avid peer pressure you have to know what peer pressure is and who has been a victim to peer pressure.
The second one is True
The third one is A to aid product marketers.
Tell me if you need anymore help!