Playing with Epistolary

I think one of my stories will end up as an epistolary tale. When Taylor leaves her husband and their house after a near-violent outburst, she leaves everything behind including her cell phone. With only her car and wallet, she sets out on a journey alone and decides to send her husband a letter instead of trying to call him. This slows everything down. At first she just writes and tells him where she is; asks him not to follow her. Once she finds a place to stay for a while, he starts writing her back...