The lyrics to Engelbert Humperdinck's song "Getting Sentimental Over You" depict the emotions of falling in love unexpectedly. The first verse expresses the surprise of the singer, who admits that they never thought they would fall in love. However, the mere sound of the person they care for calling their name causes a flood of emotion that the singer cannot resist. The second verse explains that everything this person does and says has a profound impact on the singer, and they are filled with excitement and joy because of it. The final verse is a plea for the person to reciprocate their feelings and to be gentle with the singer's heart.

The lyrics of this song can be interpreted as an honest and raw confession of love. The singer's heart has been set alight by someone they never expected to be drawn to, and they cannot help but feel sentimental towards them. The song's melody reflects this sentimentality with its emotional and sweeping score. Engelbert's smooth voice exudes the passion and vulnerability of the lyrics, making the listener feel the emotions of the song's narrator.