出生才6个月的丫丫经常莫名其妙地发起“狠”来,每当“狠”起来时便出现双目凝视,咬牙咧嘴,头向后仰,全身也在用力,尤其是将小拳头握得紧紧的,胳膊伸得直直的,一副“凶”相。开始,丫丫的父母以为是孩子做怪象逗人,但时间稍长以后,发现并不是这么回事。因为丫丫不仅在人注意他时发“狠”,而臣独自一个人玩时也发“狠”,每日多达十余次,虽然每次时间都很短暂,但却令人心焦 Born six months of birth Yaya often inexplicably launched “ruthless”, whenever “ruthless” when they appear binocular gaze, grinning, head back, the body is also hard, especially the small fist grip Tight, arms straight, a “fierce” phase. At first, Yaya’s parents thought it was funny to make children behave like a kid, but after a longer period of time, we found out that this is not the case. Because Yaya not only noticed when he made “ruthless”, while Chen alone when playing also made “ruthless”, up to a dozen times a day, although each time is very short, but it is cause for concern