Plaintiff sued Defendant for breach of a real estate contract to sell a house. The only issue at trial is if the real estate contract was properly signed. At trial, Plaintiff offers to put a witness on the stand to testify that the Defendant has been divorced 5 times and has a habit of physically abusing his children. If you were making objections to this offered testimony, what objections, if any, would you make and what rule or rules of evidence would you be relying on?