He arched, and that arm she'd been bracing herself on slid slightly under him. Anchoring her, holding him and providing more contact and reassurance. Trying to give him all the sensations she could that she was there, with him, besides the obvious.

"Let me know when you want me to stop." Loki murmured against his hipbone, loud enough to be heard but with her mouth caressing the skin. Otherwise clever fingers touched and teased, did their best to delight and discover new ways to make him tremble.