Which of the following lines spoken by helena reveal her irrational behavior?

“o that your frowns would teach my smiles such skill! ”

“for ere demetrius look'd on hermia's eyne, / he hail'd down oaths that he was only mine; ”

“but herein mean i to enrich my pain, / to have his sight thither and back again.”

“and when this hail some heat from hermia felt, / so he dissolved, and showers of oaths did melt.”