Warm as a bathtub , I thought . Unfortunately , if you have NO BODY FAT , it does n't matter how warm the damn water is , if it 's not hot tub hot , its cold . So here I am swimming in the HAWAIIAN TROPICAL OCEAN , SHIVERING . The sun was not shining very strong when I went in though , so I ' m hoping on a hotter day I will be able to handle it better .
According to the above context, answer the following question.
What may be a fact about the speaker ?


They have little to no body fat .