Ladies please correct me if i am wrong 😭😭

My husband and i go dutch in everything. I don’t mind because we both have decent income. But my husband goes too far with this half and half. He says its fair but its really not lol. We have 2 babies and i do most of the work for them. For example today we ran out of baby wipes, my husband tells me to send him half for the big box which is $18. I had a good day until he said that. I get so turned off by this. Whenever i am out i get most house hold things that we need, i don’t ask him for half. This man asked me to send him half of $18. I am so turned off , and i cant explain. Every-time he asks for half i feel like his buddy not his wife. More and more i see him as a friend not a romantic partner.