"First, nopony will get to touch your penis but me, not even for the sake of a punishment," Chrysalis declared, giving you a firm look that said she basically owned your cock, but more so in the way that said she expected you to be faithful. "Second, her venom is but a part of the reason I chose Vespa to look after you. With your current diet and your persistent erections, I was afraid that maybe you'd be facing an excess of... muscle tension. I believed that if it were ever necessary, Vespa could provide you with some of her venom to relax your body. I am aware of how sensitive and... large a target your stallionhood is when you're aroused," Chrysalis explained, knowing how to make a point of why giving you a guard that would bite you wouldn't be the end of the world. Curse her wonderful silver tongue, pleasing your ego in so many ways.