With any kind of romantic relationship, its always going to require a whole lot of effort, commitment,trust and mutual respect. And with all those things, you should always be able to find effective communication. And with effective communication, there has to be a certain sense of sensitivity,carefulness and empathy when expressing personal sentiments and intimate thoughts. Of course, in relationship, we always been taught that its very important to always be honest and transparent to the people we love the most. While this is true to some extent,there is also a limit that exist. You dont necessarily have to share every single thing about yourself to your partner. In fact there are some instances wherein the concealment of the truth would be much better to your love and your relationship in the long run. There are just a few things that are better left unsaid and thats the reality of it. There are a select few secrets that you are allowed, and maybe even encouraged to keep undisclosed from your partner. These are the kinds of secrets that if brought out into open, would be of no help to anyone. They may cause more harm than good and it would be best to just keep mum about them throughout the stretch of the relationship.
These are some examples of secrets that are better of kept as secrets in a relationship:
Your complete sexual history.
Your sexual dreams.
Emotional trauma from the past that makes you uncomfortable.
The little things your partner does that frustrate you.