Yikes!
I shudder to think of what the lesser realtors must be like around there.
Sounds like she's drunk and flirting with your husband.
Are you sure you want to continue to work with this trainwreck?
She sounds really unprofessional to me.
If you must work with her, I'd address the issue upfront and tell her that both you and your husband found those texts inappropriate and they must stop.