They do look like my Neguinha and Cururu!!! It took 15 days for them to accept each other, and maybe 1 month for them to sleep and play together... But now it's OK! I just have problem whem they go out (to the vet for example) and come back... There are 2 hours stress, but after that it's OK!
I love my boys! However, it took a LONG time to get to this point. They didn't get along for a very long time (and they still have their moments!). But I love to see them sleeping side-by-side. It still doesn't happen that often, but it's nice to see when it does happen...