I'm so scared.

Okay so I'm a mother of one 8mo baby girl. I call her Chu Chi or NaNa. That's irrelevant but I thought I'd tell you so you can care a bit.....I haven't gotten my period in 3 almost 4 months. I've taken multiple pregnancy tests. I thought I saw a faint positive on one but it wasn't I don't think. And that was the last one I took. I'm freaking out. Not that I don't want another baby BUT I don't want another one. And I couldn't abort the baby, nor give it up because I would be too attached and just yeah. That's what happened with my first. I was thinking about it but when I saw her face on the ultrasound and she looked like me I just....I fell in love and I mean, How can you not right? But my question is has this happened to anyone else? What did your doctor say? And before you say go to a doctor. I have an appt set up but can y'all relieve some stress