Impacted.
If it's too tight and you can't unscrew it, go to your piercer. If its embedded, go to your piercer or your doctor if it looks severe.
Unless the jewelry is embedded, no, it wont hurt.
To remove an embedded video from your blog or website you simply delete the embedded code that's displayed in the "source code" in html on your website.
You have to remove the jewelry and clean it, including the piercing.
Go back to your piercer and they should be able to help you.
Depends on your body, how old the piercing is, and what size the piercing is.
If you get your piercings done by a professional body piercer there is no risk that an earring will become embedded. Piercing guns are the only reason studs become embedded in piercings, that's why professional body piercers hate piercing guns so much. Piercing guns are used by people with no knowledge of the bodies ability to heal, and therefore they care less about your piercing or your health. it's just a pay cheque to them. See a professional body piercer who will use jewellery designed to work with you and your personal style while still caring about you and your piercing.
Certainly. With time, the hole created from the piercing will heal over.
after 6 weeks
No, do not remove the jewelry at all. It can be difficult to get the jewelry back in a new piercing, plus you could cause a rip or tear in the piercing site if you try and have trouble with it.
It's best after the piercing is healed, otherwise it might get infected and swell up.