Usually anywhere from 3-7 days depending on the person.
It was supposed to last a decade.
Nothing can because your period is not supposed to last for more then a week. That's abnormal.. You should get checked out by your doctor.
Head gaskets are supposed to last the life of the engine. There is no "care" specific to head gaskets.
it does not have one
40 weeks from the last period.
Your supposed to get it every four weeks or 28 days and its light at the last thre days because your finishing your period
open range period last from the 1860s to 1880s.
4 to 9 years
They ruled for 15 year. Not very long for ancient china.