I am a bit unsure whether I am understanding the play correctly, so the following is as I understood it. If it means something else, please do enlighten me.

-Fag being the 'supperior' one;
Fag- Why then the cause of all this is—Love,—Love, Thomas, who (as you may get read to you) has been a masquerader ever since the days of Jupiter.

I laughed here because I think the normal sentence would be;
as you may have read

-The other one being by Lydia;
"...we had never had a quarrel, and, somehow, I was afraid he would never give me an opportunity..."