Characters
for I will be horribly in love with her.
— Benedick

Behind the line May contain spoilers.
Our reading
An editorial interpretation.
The speaker declares that they will be horribly in love with someone. 'Horribly' works as an exaggerated intensifier, half playful and half rueful, admitting a love so strong it feels alarming. The line pairs delight with a comic sense of helplessness.
Context reviewed