Помогите пожалуйста!!!Look at the table.Then correct the mistakes in the sentences,

Помогите пожалуйста!!!
Look at the table.Then correct the mistakes in the sentences, as in the example.

my-mine
your-yours
his-his
her-hers
our-ours
their-theirs

1)Making friends with that your cousin wasnt easy!
2)Paul is dating an old his friend i just cant remember her name.
3)Listen,Brian has fallen in love with another our acquaintance!
4)Even if shes Nicks girlfriend now,i tell you,she will be my!