Valentine's DayVersión en línea Guess the Riddle por Alejandra Prado Veintemillas 1 Without this, we couldn't be alive Hints 1 Makes us feel good, like there is someone we can talk to 2 They are very colorful and smell great 3 You can send them virtually, or give them in person 4 Makes the world a better place! All we need is this :)