Saw an instagram post saying "Agar koi ladki relationship ke starting me hi shadi ki baat karne lag jae to samajh jana ki ganda kat ke jayegi" what does this mean ?

Saw an instagram post saying "Agar koi ladki relationship ke starting me hi shadi ki baat karne lag jae to samajh jana ki ganda kat ke jayegi" what does this mean ?

Is this true, if yes why do you think so ? Do you have any stories to share.

I'm very curious! My gf has been talking about marriage since day one!