i dont feel pregnant anymore

So when i first found out i was pregnant i was 4-5 weeks and had all kind of pains and symptoms now im 9-10 weeks and i dont feel crap! Its like From one week to another they just vanished &im starting to worry ... is this normal? I started with nausea headaches eye twitching(my  vision got worse and my eyes were working twice as hard ) cramping like crazy at every little movement diahrrea and now... nothing! just hungry every 30 seconds