It's never any fun when you start to suspect your partner of messing around. No matter who does the deed, cheating has wreaked havoc on many on a once-wonderful union. If you're starting to think it's happening to you, these signs will either allay your fears or confirm the worst. But before accusations and paranoia start flying around, just remember one very boring but very important thing: a beautiful relationship is built on trust, honesty, and freedom. So when you're not sure, talk to her, and give her the benefit of the doubt.