"By Your Side" by Jonas Blue (ft. RAYE) is a song about being fully present in the moment and cherishing the company of someone you love. The lyrics convey a sense of excitement and freedom, as the singer encourages the listener to venture out and embrace life's adventures. The repetition of the phrase "Do, do" emphasizes the spontaneity and thrill of living in the moment.

The pre-chorus suggests getting lost in the experience of being together, with the sound of their hearts beating as a symbol of their connection and the intensity of their emotions. The desire to be with this person is so strong that they long for the person to take them wherever they are going, entrusting them with their hopes and desires.

The chorus amplifies the anticipation and longing, expressing the idea of waiting for this person throughout their lifetime. By holding hands and staying close, the singer reinforces the importance and commitment to the relationship. The line "I'll never let you go" signifies the determination to maintain their bond.

The build and drop sections further emphasize the desire to be by the person's side, creating a rhythmic and energetic moment to convey the passion and urgency of this sentiment.

In the second verse, the lyrics mention "scattered hearts" and "broken glass," hinting at past pain or tumultuous experiences. Despite this, when the two are together, the singer claims to feel nothing but happiness and tranquility. The person's presence has the power to freeze time, highlighting the strong connection and the ability to escape from the outside world.

Overall, "By Your Side" encapsulates the joy of living in the present, cherishing the company of a loved one, and finding solace in their presence. It celebrates the exhilaration and security that comes with sharing life's adventures with someone special.