Although not conclusive, this is an indication he might already have a girlfriend.
If you notice that you guy smells like fruity or sweet.
If you know that your boyfriend does not have any sisters and his mom lives in another state or past the age when she needs feminine products, and you find some feminine hygiene products in his bathroom, you have more doubts.
Even if this other woman doesn't actually live with him, there is more evidence of her at his place, than he can cover up.
Ask yourself this - why wouldn't your boyfriend want you at his place?
If you have been dating for a long time and still you haven't met any of his brothers, sisters, mom or his dad - this might be an indication he already has a girlfriend. Either way, it does not bode well for you as he's either still in love, or they are still together.
The most important thing in a relationship is to have trust, and yet people still need privacy as well..how much?
The following steps will guide you in looking for signs that a guy already has a commitment, however loosely, with another woman. Regardless of how long you put off the inevitable, it will catch up to you, and bite you in the bum.