person A: I didn't sleep well last night_comma_ and then my son was being extra demanding of attention. I got upset with him_comma_ but realize he'd really done nothing wrong
person B: It happens to everyone_comma_ being tired makes people so irritable. Being a mom is tough as it is.
person A: I just felt so bad for getting upset with him.  
person B: Just give him a big hug and let him know how much you love him_comma_ and I'm sure all will be forgiven! :)