Dear Mouthy Housewives, My twins are about to turn seven and one of them is up in arms about it. She does not want to celebrate her birthday with her twin sister. She wants her own birthday. Her own everything! I don’t have the money to throw them two parties and that seems ridiculous anyway. What can I do to calm her down? Signed, It’s Her Birthday and She’ll Cry If She Wants To Public Domain Image via Pixabay. Dear It’s Her Birthday and She’ll Cry If She Wants To, Yes, at some point, it dawns on every twin (or triplet, etc) that they don’t have their own birthday. Except for the parents who figured out how to have one twin at 11:50 p.m. on one day …