Envy is often associated with the color green, as in "green with envy", and yellow. Yellow is the color of ambivalence and contradiction; a color associated with optimism and amusement; but also with betrayal, duplicity, and jealousy. The phrase "green-eyed monster" refers to an individual whose current actions appear motivated by jealousy not envy. This is based on a line from Shakespeare's "Othello". Shakespeare mentions it also in "The Merchant of Venice" when Portia states: "How all the other passions fleet to air, as doubtful thoughts and rash embraced despair and shuddering fear and green-eyed jealousy!" The character Envy from Fullmetal
Sexual jealousy when partners therefore entangle with others, loss of love and relationship, and therefore sexual jealousy, is likely to be felt. Additionally, in Western culture, inducement of sexual jealousy is more likely by females in their partners compared to men. Inducing sexual jealousy is to increase their partner's attention towards them and counteract sexual and emotional jealousy. However, Western culture now is mainly monogamous which is very different to the environment in which the majority of evolution thus far has occurred. Therefore, evolutionarily it is likely that different past cultures also showed differences in sexual jealousy. Cross-cultural comparisons between China and