You are far away from your boyfriend how you know he is cheating on you?

IM IN THE SAME SITUATION AS YOU RIGH ABOUT NOW..I HAVE A BOYFRIEND AND HE STAYS FAR AWAY FROM ME..THE THING IS..THAT YOU NEVER KNOW WHAT THEY ARE DOING WHILE THEY ARE AWAY FROM YOU..BUT LONG AS YOU HAVE TRUST FOR YO MSN..THEN DINT WORRY ABOUT BECAUSE EVERYTHING WILL BE ALRIGHT..BUT IF YOU ARE HAVING SECOND THOUGHTHS ABOUT IT..JUST ASK HIMM..MOST GUYS WONT TELL THEIR WOMAN IF THEY CHEATING OR NOT..BUT IF HE FORREAL HE WILL TELL YOU THE TRUTH REGARDLESS OF HOW IT HURTS