Twins can be either monozygotic ("identical"), meaning that they develop from one zygote, which splits and forms two embryos, or dizygotic ("fraternal"), meaning that they develop from two different eggs. In fraternal twins, each twin is fertilized by its own sperm cell. [Wikipedia]
Train me to be your messy slut
Alex Grey - Babysitter Gets Raw
The tiny beads in my egg maracas feel really unique. Also, that second one fought me on the way out. 😳😅