one day Celestia sent a letter to rainbow dash asking her to go to a certain point of the castle so they can talk privately about an issue that she did not know how to handle, rainbow excited (and nervous of failing in what the princess asked her) go without hesitation the same day. When she arrived at the castle, she went directly to the address that Celestia had said to ask her what was the problem, the princess, a little sad, began to explain in detail the life of his beloved nephew, Blueblood, the problem was that he was not loyal to his interests and he cared more what others thought. the prince’s dream was always to have adventures and travel all over the world looking for treasures or unknown places, the only problem that prevented him from realizing his dream was his personality so … Depressing that he has become, along with his disloyalty to himself . since he was little, he always expressed his wishes to the princess about being an adventurer with his own boat and everything, she always supported him on that subject but, his parents … They thought it was just an absurd dream that never will be reality, and if one day it were about to be so, they would prevent it at all costs. because he has to be a refined prince.  
Over the years the prince was forgetting his true interests, as well as his happiness, just to please his parents. This therefore has tried to fill the void in himself with love, which he was looking for many years, but could not get for his arrogance and selfishness.  
Even he told her that he is thinking about having a family, a dream that lasts very shortly after thinking about all the responsibilities that he would have to have with his wife and children, but also that in a certain way, to think that, makes him want to improve as a pony itself, he just don’t know how to start.  
And things got worse when his parents told him that they would marry him with a unicorn of pure blood, so as not to lose his purity in the family. blueblood despite to see hated the idea. accept it.
 
in the end everything ended well for blueblood thanks to rainbow dash, well, he did not become a new pony, but he improved a bit along with his self-esteem and his loyalty to his dreams. And ended renouncing to his title of prince and cut off his relationship with his parents forever, for his own good.
 
Blueblood ends eternally grateful for rainbow dash aiding him help (and in love with the attitude of the pony), shortly after everything that happened, he bought his own boat to start his adventures, with the plan to be on board a couple of months, but also, he wanted to enjoy a little of his normal life before leaving… so how about starting with inviting certain pegasus with multicolored hair? Surprisingly, rainbow accepted, but, thinking that only will be a departure of friends.  
The two of them, talked and talked about their interests, realising that they had a lot of things in common, and began to enjoy each other’s companionship. Those going outs soon became dates, until finally they became a couple.  
After a couple of months blueblood was aware that he completely forgot about the boat and the trip he had planned, quickly went to attend everything as fast as he could so he could leave the next day. When he finished with the whole process for the trip, he came up with the wonderful idea of ​​inviting rainbow dash to his adventure !. At first rainbow had his doubts but accepted thinking how great it would be to have an adventure.  
And that’s how they both had their first adventure in the seas, they liked it so much that continued doing it almost every year in bacations.  
Six years later, they said goodbye to their friends as usual before leaving for the longest trip they ever had, which was approximately one year in the sea. When they returned from their adventure, all their friends were waiting for them on the mainland to celebrate their arrival, but when they saw the couple down, everyone was shocked when everybody saw rainbow dash holding a white pegasus baby. The one that the couple called, Shinny Treausure
 
Fun facts:  
*They both admire Daring Doo and like their stories.
 
*flirt very often
 
*blue blood is still a bit egocentric , but it has behaved much better since he moved away from his life of prince. since now he does not have the pressure to do things that he does not like to do and can be himself
 
*Rainbow Dash and blueblood got married when their daughter was 3 months old
 
*They stopped traveling until their daughter turned 7 years old.