Hi, Can I Answer Your Health Question? Please Type Your

Hi, can I answer your health question? Please type your question here...my grandson is almost eight months old and he has great eye contact smiles sits up on his own . Smiles babbles and looks at you when you call his name. Asperger s runs in the family my son has a mild case of it and two great nephews have it, he’s teething and today I noticed some facial grimacing and him squeezing a toy real hard and shaking for a minute. He did this about 4 times in an hour this is new . He laughs a lot and babbles and is pretty happy but the facial grimacing got me concerned is this normal