trouble (I have put you through); (your) hard work; thank you for your hard work; I appreciate your efforts
trouble (I have put you through); (your) hard work; thank you for your hard work; I appreciate your efforts
nervous temperament; worry habit; pessimistic nature; pessimism
overanxiety; needless worry
trials and tribulations; adversities; suffering hardships and troubles
to go through all sorts of hardships