Read the following context and choose the best option to answer the question.
Context: I am pretty sure I just made my brother the happiest guy on the face of the planet . He has been a Mustang car nut for as long as I can remember . Him and his friends are always going out buying new parts , helping each other put them on , and all that good fun stuff . It 's something I never understood , but oh well he loves to do it .
Question: What may be a fact about the speaker ?
Options: 
- They often buy their brother new car parts .
 - They are completely opposite from their brother .
 - They have different interests than their brother .
 - None of the above choices .


They have different interests than their brother .