Why does everything have to be in the same two-month period?

Holiday stress like smoke in my vision clears to reveal... my parents' birthdays. So much for clear vision.

Indeedilly deedilly deed, my parents' birthdays are the 7th and the 9th. Indeedilly deedilly deed I won't tell you how old they are. My grandma comes down the 6th. Everything is happening at once waaaaaaaaa