When my sister announced her “childfree” wedding, I didn’t think anything of it—until she looked right at me and said, “So, sorry, you can’t come. You’re technically not an adult yet.” I’m 19. I can vote, pay taxes, live on my own—but apparently, I’m still a “child” in her world. I tried to laugh it off, but it stung. Especially since she made a huge show of inviting all her college friends, many of whom are younger than I am.

Then, like nothing happened, she sent me her Amazon registry. “Just because you’re not invited doesn’t mean you’re not family,” she wrote with a smiling emoji. The first item? A $300 blender. I replied honestly—”I’m broke.” But she brushed me off with, “Everyone contributes something.” My blood boiled. She uninvited me, belittled me, and still expected a luxury gift?

So the next morning, I sent a gift. A very thoughtful one. I found the cheapest baby’s sippy cup on her registry—left there from when she originally thought she might allow kids—wrapped it in pink paper, and had it delivered right to her venue with a card. “Since I’m too much of a child to attend, I figured this might help.” She opened it during bridal prep, and according to texts that blew up my phone, she lost it.

She called me immature and embarrassing, but her friends thought it was hilarious and a few relatives told her she kind of deserved it. Honestly? I don’t feel bad. If she wanted respect, she could’ve shown me some. You don’t get to treat people like kids and then expect them to pay adult prices.