Messy roommate causes tension in shared space

DEAR HARRIETTE: I’ve rented a bed space in Manila, Philippines, while pursuing my master’s degree, and I share the space with a roommate. While I appreciate having someone to share the rent, her habit of leaving a mess in our shared bedroom area is becoming unbearable. I am the type of person who always wants to maintain a clean and tidy space — I admit I have some obsessive-compulsive behaviors. I’ve tried dropping hints, and I’ve even directly asked her to make more of an effort, but nothing seems to change. It’s frustrating because I don’t want to constantly be the one cleaning up after her. I also don’t want to create hostility in our home or cause unnecessary tension between us.