Co-founder and head of products & marketing @Trapit. Collector of rescue animals and digital artifacts. Check out Trapit for iPad here: http://trap.it/ipad
Emotion and reason each have somewhat different, but complementary and interlaced roles. They both provide information and guide behavior.
Negative emotions are opportunities for learning and closeness.
Again, what helps here is understanding that you each have different styles, that neither is right or wrong, and you can find ways to bridge a little bit.