Even though it might appear like Su Zheng had been in competition with Cedrick, from another perspective, they actually valued each other as practitioners of the same craft. Nowadays, it was hard to find friends who spoke the same language, and that was especially so for Su Zheng and Cedrick, who were involved in a not so straight and narrow career.
Therefore, with a taunt here, a lock picking there, a safe cracked somewhere… After some interaction and various competitions, testing of skills, and mutually absorbing the other's experience, the two's affection for each other had increased without them even realizing it.