The song is about a relationship that has come to an end and the singer's regret for not having done more for the relationship.
The chorus emphasizes that the loved one left without a word of farewell, highlighting the final decision.
The singer reflects on things he could have done differently to save the relationship and realizes that some things are taken for granted and do not need to be expressed.
The singer shows regret for withholding certain actions and words that could have saved the relationship.
The words 'Goes without saying' symbolize the unspoken feelings and the unsaid goodbye in the relationship, while the singer accepts in the end that he has to live with it.