Morning Sickness

Sandra
Any tips on morning sickness? Please 😪😪😪
I can only remember I throw up once in my life & i feel like I am gonna throw up my gut... Any tips to make it easier or go away lol HELP!! 
It's pain & it started today but my fiancé told me it will last 4 weeks I don't think I can handle that feeling. I can't even eat the feeling keeps coming every time I try so I am basically throwing up nothing but water 🙄🙄🙄 I am only 20 no mother to help me & I am a first time to be mommy please give me some tips or adviceÂ