The Light had discovered M'gann's true appearance, and Queen Bee blackmailed her with it.
Though she told the Team her usual appearance wasn't her normal look, she lied again by claiming to be a Green Martian.
He wanted to help, but Miss Martian's excitement caused him to be covered in the ingredients.
M'gann certainly felt that way when, after she was wet from her induction into the Bumblebees, he offered to carry her books.
The attraction was obvious to the trained eye; even Clayface noticed it and used it to take them down: Miss Martian was thrilled when "Superboy" called her "gorgeous".
M'gann liked making him dinner, and on one occasion asked for his help.
She witnessed the fight between Superboy and Amazo at the Gotham Academy, and followed him.
Miss Martian and Superboy had some close moments together, as they spent quite a lot of time in the Cave with Red Tornado only sporadically checking in.