Yes. It is legal in the state of Texas

If you are a minor they can serve your mom. If you are a adult they have to serve you. Tell your mom to sign a waiver of non prosecution

Call the defense attorney and tell him that you don't remember anything

Go to jp court and evict her . You have to give her a three days notice and if she does not move start evictions proceedings

17 is the age of consent . He will not be in trouble

You have to go to court to get a default,

You need to file a motion to modify. Retain a lawyer.

Your money may be in the court registry. Call the Harris county district clerk and ask to be transfer to the courts registry.

Retain a lawyer and so an asset search and discovery,

If you are a first time offender probation should be a option, You need to retain a lawyer,