What, you are about to have a baby and lose your lives! Lol half kidding - it is a great change! Yes, you will not sleep enough and be in poopy diapers up to your ears. But it is so worth it. You ARE nurturing another human being whom you love and who loves you unconditionally. So even if you feel you are not a good parent at some moments - he/she cares not. Just wants to be fed, bathed, changed and snuggled with your loving hugs.
Enjoy last bits of pregnancy and get ready to embark the real adventure!