The singer is openly delighted by Betty Jean and attracted to her way of speaking, walking, and loving. His feelings grow from admiration into a direct confession, but he does not know whether she feels the same. The repeated question about her love keeps excitement mixed with uncertainty.
Several playful images make his attraction vivid. Her speech is described as โsaying a lotโ while she speaks little, suggesting that her manner communicates more than words. Her walk looks like dancing, an image that makes ordinary movement seem charming and lively. When she welcomes him inside, his heart goes โboom-boomโ and he hears bells: familiar ways of describing intense excitement and the feeling of falling in love. โThe living endโ is an enthusiastic expression meaning she seems wonderful or exciting.
The lyrics also suggest that romance can begin unexpectedly: a dance and a kiss lead to feelings stronger than the singer expected. The repeated prompts to โsing the songโ give the song a playful, performed quality, as if the singer is enjoying his own declaration. Still, the lyrics tell us only his side. His confidence that he is in love contrasts with his unanswered question about Betty Jeanโs feelings, so the ending feels joyful but not fully settled.