太善良是一种慢性疾病
[tài shàn liáng shì yī zhŏng màn xìng jí bìng]
It metaphorically conveys the sentiment that being too good-hearted can be problematic. By labeling it a 'chronic disease,' this username indicates concern or self-deprecation about one's excessive kindness or innocence, possibly feeling that they are being overly generous, to their own detriment at times.