You shouldn't complain when someone is being helpful.
Richard got home from the hospital after having surgery.
Richard wants to move from his bed to the couch to watch tv.
Richard asks his friend if he'll help him get to the couch safely to watch tv.
Richard yells at his friend for almost dropping him while carrying him to the couch.
His friend does his best, and they both enjoy watching tv together.
Richard's friend stops coming by to help him out and Richard is stuck in bed all day.