"Maybe they will if you become truly skilled at this." It's... not too likely, but it could be a goal to work towards?

Christine takes up the crossbow, making a face at the weight of it. Now she's not even sure she'll be able to fire off a shot. It feels too heavy to lift and aim. But she puts it against her shoulder, glad her hair is pulled back so it doesn't get caught in the string. She presses it firmly to her shoulder, but it wavers back and forth a bit as she tries to hold it up. Once she gets it somewhat steady (and once she's sure Church won't move in front of her at the last second), she fires, jerking back with a little yelp at the kick. The bolt flies low, dropping down to the right of the target.

"This is far heavier than I could reasonably hold and shoot."