"No, Eggsy--!" Elizabeth reaches for his elbow and diverts to his sleeve, pinching the fabric between her fingers. She is so close to him, her heart is starting to pound.

"There's something wrong with me, I feel like I'm about to pass out right now. Or vomit." Describe symptoms-- maybe he'll know what's going on, maybe something's been happening around the ship. "But I'm not going to let go because whatever this is-- whatever this ship is doing to me this time-- I'm not losing another person to it."

Even if her heart is going to explode if she doesn't back off soon.