It's been almost a month since we first learned that Rob Kardashian is dating Blac Chyna, and it looks as though the relationship may be here to stay.
The unlikely pairing has caused some tension within the Kardashian family, especially with Khloe, Rob's former favorite sister who recently kicked him and Blac out of her house.
But just because she doesn't want him hooking up under her house, that doesn't mean she wants Rob out of her life.
Khloe tweeted the above photo last night, along with a caption reading, "It's simple...I miss you."
Kourtney Kardashian chimed in by tweeting, "True love."
Based on their online sentiments, we think it's safe to say the Kardashian girls haven't seen their brother in quite some time.
There have even been reports of Blac forbidding Rob to see his family.
Sources say Blac and Rob have been living together ever since he got the boot from Khloe, and aside from the occasional Instagram post, they've been keeping a very low profile.
Rob has been showing reclusive tendencies for almost two years now, but when he lived with Khloe, at least his family got to see him.
Now, it seems that he's not spending time with anyone but Blac, and his sisters are clearly becoming concerned.