6 If you are using an online period tracker or tracking your cycles through your phone, get off it and delete your data. Now. (twitter.com) posted 2 years ago by Michalusmichalus 2 years ago by Michalusmichalus +7 / -1 33 comments share 33 comments share save hide report block hide replies
Omg. Paper and pencil. Primitive. Like animals!
I prefer retro.
Abacus?
That would certainly work.