why does Little Chandler become so angry when his child continues to cry?

When he was trying to read poetry while holding his child when his wife went to the store. The baby started crying and he found he wasn’t able to read it anymore so he yelled at the child to quit crying which made the child cry more, then his wife came in and got angry with him. “Little Chandler felt his cheeks suffuse with shame and he stood back out of the lamplight.