Everyone saw the collision. The collapse. The CPR. The ambulance. The shock on players' faces. The main takeaway: Everything you are feeling is normal, and it is more than all right to ask for help. Buffalo Bills safety Damar Hamlin went into cardiac arrest Monday night after tackling Bengals wide receiver Tee Higgins, and received CPR for about 10 minutes before heading into an ambulance. "It's OK to not be OK right now," says Lindsay DiStefano, department head of kinesiology at the University of Connecticut. Visit the link in bio to read more on how to cope with trauma.