你纵容不了我的任性
[nĭ zòng róng bù le wŏ de rèn xìng]
This internet name conveys a message of self-awareness and independence. The person seems to acknowledge their 'capriciousness' (renxing, meaning behaving impulsively or unpredictably) but is also stating that others cannot tolerate or indulge it. This implies a willingness to be true to oneself even if it means being unconventional or difficult for others.