Wondering if im pregnant?

Me and my fiance have been having steadily for about 4 weeks since he came home.. I missed my period about 4 days ago.. I've been experiencing cramping, bloating, mood swings, tenderness, more discharge than usual, eating habits are off.. I took a test today and it came bak negative bt I'm just feeling lke I am.. with my first child I got pregnant on the 14th (3 days into trying) and I "felt" I was pregnant by the 28th... bt I didn take a test till I was close to 10 weeks... I my culd be in my head bt I really can't help bt think I am.. can it be too early?