No.
Yes it will hurt more when i t is hard.
Yes you can get a head ache and sometimes hurt your throat
viral infection
It could be normal or an infection or something more serious. You should see your doctor.
There is no connection between the two. You could have one while coughing, but it would be purely coincidental if it did happen.
The main cause of pain in the chest, arms, and back while coughing is muscle fatigue. These muscles are not typically used and will quickly tire through coughing.
stress incontinence
you have to drink water to overcome coughing for a while. And take a little break for some long breathing
If it doesn't hurt and you seem to be functioning properly, you are probably fine. It is not uncommon for an injury to cause one testicle to hang lower than the other permanently.
i have got a cold and i am getting over it but when i was coughing a got saw lungs
Covering your mouth while coughing.