I need answers

Valerie

Hi so my boyfriend and I didn’t have sex he just put it in for a second and he said he didn’t pre cum that he feels it most of the time and I have irregular period well I’m around 10 days late and I go to the restroom more offen and poop more too I always get headaches or get dizzy that’s normal for me and acne as well and I haven’t started my period but I did the diy tests last night it was negative negative this morning it was positive then around 3 negative all 3 and I’m scared I can’t go get a test and I’m only 18 I don’t know what to do pls help