The song "This Is Love" by Hardwell and KAAZE is a love anthem that expresses the feeling of finally finding true love. The lyrics suggest that the protagonist has been through various ups and downs in search of someone to call their own. However, when the stars align, they are brought together with their soulmate, and everything feels perfect and right. The repetition of the phrase "I felt it from the start" emphasizes the instantaneous connection they feel with their partner. It signifies that the love they have found is deep and genuine. The lyrics also convey the determination to hold on to this love and never let it go. Overall, the song expresses the idea that true love exists and can be found even after going through difficult times. It celebrates the joy and contentment that comes from being in a fulfilling and loving relationship.