serious girlfriend serious global serious grounds serious guy serious guys serious handicap serious happened serious harm serious has happened serious hazard serious hazards serious he serious head serious head injuries serious head injury serious health serious health complications serious health concern serious health concerns serious health condition serious health conditions serious health effects serious health issue serious health issues serious health problem serious health problems serious health risk serious health risks serious health threat serious heart serious heart attack serious heart condition serious heart problems serious heat serious help serious historical serious history serious hit serious house serious human serious human rights serious human rights violations serious humanitarian serious hypersensitivity serious i serious if you serious illness serious illnesses serious impact serious impediment serious implications serious in life serious incident serious incidents serious indeed serious infection serious infections serious infectious serious infraction serious infringement serious infringements serious injuries serious injury serious injury can serious injury may serious injury or death serious inquiries serious intentions serious interest serious internal serious international serious international crimes serious investigation serious investment serious investors serious irregularities serious issue serious issues serious it serious jail time serious jeopardy serious job serious journalism serious kidney serious kind serious knee serious knee injury serious lack serious leg serious legal serious lesson serious level serious life serious literature serious liver serious long serious long-term serious look serious loss