吃喝玩乐那叫狗同甘共苦那叫友
[chī hē wán lè nèi jiào gŏu tóng gān gòng kŭ nèi jiào yŏu]
'Eating, drinking, playing together makes you no more than company, while going through thick and thin with each other truly shows friendship.' This netizen name stresses genuine friends are made by shared experiences, especially hardships rather than just enjoyment together.