Hate is one of strong emotions in the 5 phases of grief (denial phase), and feelings of hate arise from anger (actually disappointment in disguise) that is not repaired, treated, and instead gets worse.
and disappointment will not be present without feelings of love. although love is not always about romance with the opposite sex. but it can also be for friends, parents and idols. disappointed appeared with lot of reasons and factors, but it has nothing to do with cheating.
lie & cheating is different and not in that phase (the phase has nothing to do and never leads this way) The perpetrator is truly aware and knows the consequences, and the answers given are actually just manipulation. well, some of them who a cheater will be using reason like example they feel disappointed with their partner, or using their mental disability as their alliby
actually, using that reason to lie to cheat, it has the same logic as hitting someone when you're angry, does it solve the problem? no. only make it even worse
after all, that's why people can hate someone they love in a short time. or vice versa. but its so easy to change people who hate you to love you, simply, give them a hug or compliment. cause hate with being psycho are diff hahaha