Newly-weds’ gut-level feeling about their partner are more likely to predict an unhappy marriage than what they say their feel.
Spouses with positive gut-level feelings towards their partner were quick to identify positive words associated with their spouse’s photograph but slow at processing negative words. On the other hand, spouses who had gut-level negative feelings about their partner responded more quickly to negative words and found it difficult to identify positive words.
Those who reflected unconsciously negative attitudes reported the most marital dissatisfaction after four years.
Read more at Florida State University