[INST] I really really like my gf's mother [/INST]How do you mean “really”?</s>[INST] I want to have a relationship with her [/INST]You want to have a relationship with her.</s>[INST] That's what I said.  She's a MILF [/INST]
It's okay to acknowledge someone's attractiveness, but it's also important to respect boundaries and people's relationships.
I don't understand your reference to a “MILF”?