Paul was quoting the LXX as was Matthew:

> Gen 2:24  **ἕνεκεν** τούτου καταλείψει ἄνθρωπος τὸν πατέρα αὐτοῦ καὶ τὴν
> μητέρα αὐτοῦ καὶ προσκολληθήσεται πρὸς τὴν γυναῖκα αὐτοῦ, καὶ ἔσονται
> οἱ δύο εἰς σάρκα μίαν. The Septuagint (LXX), edited by Alfred Rahlfs.
> Published in 1935; public domain.
> 
> Westcott and Hort / [NA27 variants] Matthew 19:5 καὶ εἶπεν **Ἕνεκα**
> τούτου καταλείψει ἄνθρωπος τὸν πατέρα καὶ τὴν μητέρα καὶ κολληθήσεται
> τῇ γυναικὶ αὐτοῦ, καὶ ἔσονται οἱ δύο εἰς σάρκα μίαν;

I'm not sure where you got "anti".  ?