Saliva Dropping All The While...

Now, Yishion to play with his saliva all the while. He do not want to swallow the saliva. He let it dropping makes the cloth always wet. He just reach 4 mth only. Some people says that he going to grow tooth...
But from what i see, he loves to play with the saliva. When he lie down, no saliva... only if he bulb out himself....
Oh... waiting to see whether is there any teeth coming out