Compass has a half-life of only about 12 years, so a compass that contains 120 mCi of tritium when new will contain only 60 when it is 12 years old, 30 when it is 24 years old, and so on. Consequently, the illumination of the display will fade. Mariners' compasses can have two or more magnets permanently attached to a compass card, which moves freely on a pivot. A "lubber line", which can be a marking on the compass bowl or a small fixed needle, indicates the ship's heading on the compass card. Traditionally the card is divided into thirty-two points
How Many Fucks "How Many Fucks" received positive reviews from music critics, with some complimenting its "sexy" appeal. A music video was released the same day of the single release, and featured Jayne in several "risqué" outfits. "How Many Fucks" was written by Justin Tranter and Myah Marie, while its production was handled by Adam "Gage" Bruce. As described by Jennifer Pearson of "Daily Mail" stated that the single would likely "lift her from relative obscurity" and joked that the lyrics "drop[ped] the F-bomb several times to answer that question," referring to the song's title. Musically, "How Many Fucks" is a pop rap