Most problems in marriage arise due to a lack of communication. This could be due to the malefic effect of Mercury in the natal chart. Sometimes partners may talk negatively in such a manner that it hurts the other and makes them withdraw from communicating. It is often seen that after a fight, partners may tend to be indifferent and abstain or withdraw from showing their affection and physical intimacy as a punitive action.
Marriages horoscope also face tough times due to infidelity issues where partners may seek affairs outside of their marriage, or they may start to be too secretive of their actions. This can lead to mistrust and sometimes betrayals