normal is a very relative term, normal means agrees with most people and are in the majority on a stance in a certain situation. so basically "normal" can be anything as long as most people felt the same way.
for instance in a socity that killed people for stealing, and most people felt it was ok, then it would be considered normal in that society, and the minority is the not normal for not feeling the same way,
when it comes down to it, normal is the majority, weird is the minority.
and no one is completely "normal". some are just more than abnormal than others