Read the following context and answer the question.
Context: Finally I could swim freely , my mom yelled roll over on your back . I was fine once the screaming choking 40 pound kid was off my back . The boat finally made it over , my wife with compassion in her voice said that was really stupid . Wow , I almost drowned and all you could say was that was stupid .
Question: Why did the person have difficulty swimming ?
Answer:


The narrator was being weighed down by a large child .