Special thanks to my friend and author Ashley Jones of BigSisterKnows.com for sharing her words of wisdom in this guest post. Whether you’re newly married like me, been married a while, single, or dating, the biblical command to guard our tongues is relevant to all of us. *** As you know, Kristen just tied the knot with a great guy (woo hoo!). Now, I know she’s overwhelmed with newlywed life, and she’s being bombarded with advice she probably didn’t ask for. Still, as the “big sister,” I feel the need to share the following bit of wisdom I’ve learned over the course of eight years of marital bliss: To guard…