No never
No, they do not expire.
No, YouTube accounts do not expire. As long as you adhere to YouTube's terms of service and keep your account active, it will remain accessible to you indefinitely.
No. I think the only way Google Accounts expire is if Google shuts down or something. Files stay in your Drive until you delete them or until one of the servers that holds the documents crash or something.
No, they do not.
No.
The warning strike usually takes at least three months to expire on Facebook.
yes
No
Player accounts are removed from the Howrse game after 90 days of inactivity although email warnings are sent before this happens.
no.
Facebook rules state that you can have only one account. Making more can result in all the accounts being blocked by Facebook.