Still scared to buy things

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I'm 20+4 today and I'm still so scared to buy things. I had purchased 2 outfits back at 12 weeks but that's it. My MIL is already going crazy now that we found out it's a girl. The in laws also already bought the stroller I wanted , I had no idea they'd buy so early!

I've lost and so has my sister ... so I get very iffy with opening myself up fully at times. I would love to start buying the things I don't plan on putting in my registry but can't get myself to.

Anyone else??