Morning sickness just started!!!

Im 6 days 6 weeks and morning sickness started yesterday. I went to bed about 6pm and didnt even eat dinner. This morning I've woken and im still vomiting... i cant even keep water down now. I know this is only the beginning as my previous pregnancy I was so bad all day and night for 6 weeks... how do other mums manage with other kids? I have a 2 year old to care for all day while my partners at work. I feel awful because I cant play with him very much and have just put a movie on for him to watch while im laying here half dying... i feel like im gna vomit again so i might just stop eating all together its too painful to throw up food.