I catfished my old grade school crush and spilled my guts now she wants to know who I am what do I do?

shame,embrassment of catfishing on top of reguraly doing comes into play. I spilled my guts and shes getting annoyed and wants to block me i cant blame her but i assure her im real she just wants to know who iam. i only catfhsied a photo. embrassing but what should i do? i could tell her the negative out weights the small good that can come from it. wanted my first dream girl is all just got out of wack :/