Why do I feel like a horrible mom after only making tiny mistakes?

I am new to being a mom, this is my first child and there are things I had to learn. My son has gotten a small cold and I blamed myself for bringing him around his dads side of the family and not making sure they weren’t sick or making sure they were washing their hands. Then I believe I may have used a little too much baby detergent and he broke out all over his neck. I allowed his dad to prepare his bottles. I trusted him to pour the right amount of ounces and turns out he was pouring way too much water and he was getting more water than formula and I never checked to be sure. It doesn’t happen often because for the most part I prepare and wash his bottles but I didn’t want his dad feeling like I don’t allow him to do anything for him so I put that task in his hands a few times. I feel like these are things I could have prevented if I took the time to ask or go with my instinct.

Why do I feel like a horrible mom after only making tiny mistakes?
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