The second different feature between Giang and Son is dream.
Clearly, with two different personalities so Giang and Son also have different dreams. Giang likes having a normal life. For example, He thinks that studying university is not necessary so he did not go to the university. He enjoys painting and going everywhere, he likes so he opens himself a painting ROOM. Unlike Giang, Son, having more many ambitious than Giang, wants to becomes a good engineer. He is always outstands all things when he was high school student. He tries his best to learn well and his dream became a truth.