User:Nicolehyare/sandbox

My sandbox for the page Sexual jealousy

Male sexual jealousy
Male sexual jealousy functions to defend paternity confidence, and is likely to have evolved through natural selection to prevent cuckoldry - a threat to males since they could be investing in offspring that are not biologically related to. This would also be costly, since their resources would be used on females' offspring that is not theirs. Male sexual jealousy manifests itself in the emotion of jealousy, using or threatening with violence to ensure sexual exclusivity and the inclination to control women. This idea of males ensuring sexual exclusivity has also lead to laws on adultery.

From an evolutionary perspective, the jealousy arises from this threat of investing in non-biologically related offspring and thus is most strongly felt over their mate's sexual infidelity. It can take several forms in behaviour: aggression and violence, and possessiveness or controlling behaviour towards their mate. In some cases, sexual jealousy can lead to uxoricide. Threats to a relationship can arise from other sources too, such as the presence of rivals, cues to infidelity and partner dissatisfaction with the relationship. Morbid jealousy is also concurrent with male sexual jealousy - an obsession with thoughts of a partner's suspected sexual infidelity. A recent meta-analysis reviewed the literature and found that sexual jealousy in males can also lead to emotions such as distress, hurt and disgust being experienced.

Mate guarding behaviour
One behaviour arising from male's sexual jealousy towards their partner's sexual infidelity is mate guarding. These tactics are used to prevent partner infidelity and so might be used when there are perceived threats in the environment. It results in several behaviours, researchers have documented up to 19 different tactics used. This includes (but is not exclusive to): Vigilance is also a tactic used by the male towards their mate by controlling their movements either directly or indirectly. For example, they may check up on where their partner is (indirectly) or stop them from going out with friends (directly).
 * violence directed towards competitors,
 * taking up all of the mate's time so that they have no time to meet other potential mates,
 * enhancing their appearance.

Homosexual men
x