How do u do the little black 심장 thingy??

Hold onto the "Alt" button on the keyboard, and hit 3 on the number pad. ♥ 당신 can also make a bunch of different shapes and signs with holding down "Alt" and hitting in different numbers on the number pad.

fn,alt,L hold them down.....= ♥

Hold down alt and then press 3 on the right hand keypad.

♥