How to retreive facebook account after using same email address for husbands facebook account?

[Mark]

I used my email address to create a Facebook account for my husband before i found iut you cant do that, and now every time I try to login to my Facebook account it automatically goes to his account, is there anything I can do to get mine back. I can get it on my iPhone but not on any other device!

[Y07]

Even Mark Zuckerberg does not know an answer for this? How can you log-in to two different Facebook accounts in two different machines with the same credentials????