Why does my questions & answers keep getting deleted ?

You haven't been reading and following the Community Guidelines like you're supposed to. This is the reason why your Q&A's have been deleted from the site. To avoid further problems in the future, you may need to read the rules thoroughly and follow them to the strict letter when posting on this site.

they probably violate the guidelines.

Questions about the answerer are not allowed, so "do you....?" and "what is your favourite...?" are likely to get reported

What Questions or Answers are getting Deleted ? if you give us some Examples of whats being Deleted we may be able to Tell you why they are Getting Deleted and what Rule you may have Broken if any at all

could be the kind of stuff you are posting.....or , you could have a deranged stalker, who spends night and day targeting you.