A midsummer night's dream act 1 scene 1

Helena: Call you me fair? that fair again unsay.
Dmetrius loves your fair: O happy fair!
Your eyes are lode-stars; and your tongue's sweet air
more tuneable than lark to shepherd's ear , when wheat
is green, when hawthorn buds appear. Sickness is
catching: O, were favour so, yours would I catch,
fair hermia, ere I go; my ear should catch your voice,
my eye your eye, my tongue should catch your tongue's
sweet melody. Were the world mine, Demetrius being bated,
the rest I'd give to be to you translated. O teach me
how you look, and with what art you sway the motion of
Demetrius' heart.