Muslim vet treating pigs

Q: I've recently encountered a vet who works with pigs. I've tried to encourage her that pigs are impure animals but she claims we not allowed to consume or touch its carcus which to my knowledge is correct but my question is, Can we as Muslims touch and love pigs like how the kufr do?

Revoking a talaaq

Q: I did not know that after giving one talaq the marriage is still intact. 

So after divorce I said to myself that my nikah is not anymore and once said to my wife that I can't talk to you now... Is this one talaq ?

Husband telling his wife "I am leaving you"

Q: My husband and I had an argument on WhatsApp. He messaged me and texted that I'm leaving u from today..I'm blocking u all and said I'm breaking over the relationships. At that same moment I left the car as I was traveling and I asked him u divorce me... u using these words. He said are u mad .. did I used divorce... 

He swears to Allah he didn't intended divorce by that... He just threatening me and he just mean I will leave you but didn't leave. His sister saying she ask mufti and mufti said no divorce occur. What could I do, should I believe them?