Fusionemos comes from the verb fusionar, meaning 'to fuse' or 'to merge'. It's a less common word in everyday Spanish, making it stand out in a song.
In this romantic context, the artist sings, "Hasta que nos fusionemos" (Until we fuse/merge). It's a poetic way to express a deep desire for complete unity and intimacy with their loved one, going beyond just making love to a spiritual and emotional merging.
"SUIZA" is a bolero-style love song where the singer can't stop thinking about someone new. He's glued to his phone sending her hearts, and even though friends warn him not to fall too fast, he insists this one is different.
He promises to be devoted to her alone, dreams of making love and even marrying her in Switzerland, and pictures a future together once his tour ends. The song closes with a tender promise: he'll love her until the moon fades and every flower dries up.
It's a sweet, over-the-top declaration of love, the kind bolero is known for, dressed up in modern, phone-era romance.