Well, from that video you could say that the bigger one is the bully (as how it usually happens with older people), but that's not a rule for kids (as they don't think about secondary effects of their actions), they just bully if they feel like so, in this case, no matter the other guy is twice than him and that even if hes fat, he may still have more muscles than him, the small one still bullies him. If you listen carefully, you can also hear what he says to the bigger one. But on the 2nd vide…