Stage 1:

• cries when left alone at night
• cries when put into car seat
• cries when being diapered or dressed
• cries when hurt
• naps too long (or) does not nap long enough
• potty-training does not go smoothly
• poor hand-eye coordination
• fussy when teething
• clingy during times of family stress
• dribbling

There are 4 stages and there is list of actions to prevent these problems at the end of the article.