He felt as if he was watching something he should n't have seen . It was a very personal moment for the baseball idiot and he felt like he was intruding , but Gokudera could n't tear his eyes away from him . Something was wrong with him . As if something in him went wrong or died .

Available choices: [I] Gokudera thought the boy had died from something he ate .; [II] Gokudera was into baseball also and wanted to ask him something .; [III] He does not want to intrude and make him feel bad .; [IV] None of the above choices .;
Answer the following question: Why does the Gokudera feel guilty for staring at the baseball idiot ?
[III]