Love is the Best Lubricant

Spike and Sweetie Belle manage to consummate their marriage with the assistance of a spell from Twilight.

Spike and Sweetie Belle have been in a budding and intimate relationship for the last few months. There is a problem though. Every time they try to share a night together Spike's draconic member hurts his love. They go to Twilight asking for assistance, and she has a spell which just might let them consummate their love.