Talk:Double Date/@comment-2600:8806:601:1E70:684A:1BBA:6B8D:19FA-20181219034002

If she is 49 for the 9th time, the first time would be when she is 49. 2nd when she is 50, 3rd when she is 51, 4th at 52, 5th at 53, 6th at 54, 7th at 55, 8th at 56, and 9th at 57. You don’t celebrate your 49th birthday for the first time at age 50.