AF LATE 2 DAYS HELLP LADIES

So I had my last AF JANUARY 6 -11TH

As per glow I ovulated January 18th

Since that week I could say since the 17th of January I've been sleeping , very very tired , extra thristy , I have these bubble that u could literally hear if u listen like if I'm hungry but I'm not I've been cramping for a whole week. My nipples was tender , Constact Headaches , I will fall asleep really random , I took pregnancy tests ( check my profile lmk what u think ) my last pregnancy test was the day before yesterday and it was negative, I also have a 2 month old puppy which doesn't leave my belly alone he lays in it he growls softly if I leave his side and instantly starts flowing me , he also is always sleeping when he gets next to me ladies what to do here