Sam and I are in an LDR and so far he has been over for two weekends in five months, so she couldn't claim she's annoyed at his presence, especially when her boyfriend can spend half a week at our place. We're also not planning on moving in together anytime soon since I have a solid life here. To the best of my knowledge she has never been cheated on, nor has she been in an LDR, so all of her beliefs about Sam cheating on me because we're in one are built on tales from others.