Ilusionado is a fascinating word that captures a complex emotional state. While it can mean 'excited' or 'hopeful,' it also carries a nuance of being 'deluded' or having false hopes.
In this song, the speaker's former lover has become ilusionado with a new love, implying that he's swept up in a new romance, possibly forgetting the promises he made. This dual meaning makes it a rich and intriguing word to explore.
"Háblale De Mi" is a message sent through someone else, because the singer can't say it directly anymore.
A mutual friend has been talking to the person who left, who says they've moved on and asks not to be resented for it. The singer answers back through that same friend: tell them how much they were loved, how sure that love was, and that none of it deserves to be forgotten.
There's no anger in it, only the ache of being replaced and the honesty of admitting they gave everything and got nothing back. By the end they're not asking for a way back, just for one last goodbye, and choosing to keep hoping anyway.