I've been with my girlfriend for 8 years, I love sleeping in the same bed as her, sometimes I do find it difficult to sleep when she doesn't stay over, but if it's for a few nights I usually get used to it pretty quick.
I think if you just put up with Darth-Girlfriend long enough you'll get used to it
I think if you just put up with Darth-Girlfriend long enough you'll get used to it