Afraid? having existential crisis? can I do this?

Marli • Lottie Mae norm 3-23-20. Liam Thomas🌈 born 4-7-17. Angel baby 5-4-16. Hubby & I married 11-1-14. Have two Pomeranian `babies`.
Until about 3 hours ago I had everything planned to a T and felt so confident. Now, I'm a wreck. 37 weeks I was ready. Now at 38 I'm petrified. 

I felt really confident until tonight. Then it hit me like a ton of bricks. Like maybe I wasn't cut out for my natural labor plan(birthing center, midwives, doula, no drugs). Or to even be a mom. I mean, I think I'll be a good mom. Everyone says I will. And he is so wanted. But. I'm really scared and overwhelmed all of a sudden. Like I've made some huge mistake or ruined my life. Or I won't be...enough. 

Anyone else suddenly scared or overwhelmed? I've been so focused on how miserable I feel. How extremely uncomfortably pregnant I am. That I haven't let it sink in. 

If you asked me 12 hours ago if I was ready to have him I would've said you bet your ass! Now, I'm still tired of feeling miserable. But I'm also terrified of all the plans I was SO SURE about. 

Ever experience it?

Are you experiencing it now?

How did you stop it?

Or did you stop it?

Did it get better or worse in labor? After?

Thanks all.