I think i might be 3 months pregnant!?

I soooo confused hi my name is nikki and I'm 19 years old I've been experience some abnormal periods..and pregnancy symptoms.first things first I know it could be a bunch of coincidences or maybe its all in my head but ever since this old guy told me I was pregnant I had a very short period that month and it was alittle late the next period was kind of normal I guess but then. Symptoms like brest enlargement being extremely hungry all the time started happening...the period I got in feb came extremely toooo early plus it was really heavy and long....then the period I had this month was very very light it started kind of heavy then after a day or two it was light I barly need to use tampons it th whole period lasted maybe 2 or 3 days then spotting like I didn't need to wear either a tampon or pad...but anyways here's the thing keep in mind that I'm 110 lla dnaI also gained like 4 pounds in the over the past month but I've been over eating nontrollably sleeping alllll day I have haches,emotion crying, my attitude is getting bad, my back is killing me, I've had a few werid pregnany dreams,my acne is getting bad, I have hair growing on my chin my hair growth is out of whack, my stomach is getting big when I suck my stomach in there's this pouch on my uterus, I've stopped eating as my just to see if it my go away its still there I feel full and hungry all the time I have random people asking me or telling me I'm pregnant its weird cause I'm not showing a lot but ummmm I'm feeling sick all the time like throwing up some food I use to like disgusts me I having really bad gas I just feel freakin pregnant like diferent somehow I feel really bloated when I set or lay down I'm having prickly skin in the sun light sometime I feel overheated ...there's probablybut yeah I think I could be pregnant but I'm scared to go to the doctor I have a doc phobia I don't like pap smears or needles if it negative then its just. gonna turn to. Me possibly. Being f#$%ing crazy so I hope I'm pr