An experience that is completely normal
Absolutely.
Normal polarity.
Mild cramping after vigorous sex is normal but severe pain is not.
During your period it is normal to experience blood clots but if you mean when you go to the bathroom and are not on your period, then this is not normal and should be investigated. It is most likely caused by a hormonal inbalance.
'''yes it is your brain sending memory waves'''
Yes. It is normal if you do not have much experience with romance -- either because you are young, or because you have not dated much. Once you have the real-life experience, romance is a normal part of life, so it's not embarrassing any more.
You did not explain the feeling. Usually after break up people experience a lot of odd feelings which is normal.
It is normal to have swelling soon after a hernia operation or any other surgery. It's also normal to experience pain and bruising after surgery.
Angular Gyrus
The normal tidal currents of incoming and outgoing tides.
No. Go to a doctor