Context: If anyone ever rooms with Sanzo it 's usually either you or me , and the only reason Gojyo 's ever really done it before was when I was hurt bad and you needed to stay with me . " Hakkai 's smile never left his face but Goku could have sworn he was starting to look a little nervous .

Question: Why are the potential roommates of Sanzo being limited ?
Options:
0. Sanzo is generally a nice person .
1. Sanzo is only looking to room alone .
2. Sanzo is difficult to room with .
3. Sanzo is not looking for a roommate .
Answer: 2