Those situations where Talaaq does not take place

Husband telling wife "Let's go to the Qazi and get a talaaq"

Q: One day me and my husband were quarreling. I said that, "you have ruined my life". Hearing that, he became angry and told me two or three times, "ok then, let's go to the Qazi and get a talaq". He did not have any intention to give me talaq or he did not say "talaq talaq talaq or I am giving you divorce". He just told me that to make me feel bad. In this case did the talaq take place?

Comparing one's husband to one's brother

Q: If a woman says to her husband "did you take your phone with you to the shower?" And the husband says "no why would I" then the wife says "my brother takes it" and the husband says "I'm not crazy like your brother". After the wife says my brother takes it she gets a little scared as she read online that comparing your husband eith your brother affects the nikah. She now is doubting if she was calling her husband brother or had any such intentions as she got scared and felt she had. She wasn't comparing she was just saying how a trait may have been similar. Has the nikah been affected? Does comparing your spouse to your brother affect the nikah.

Does divorce take place by the husband joking that he did not accept at the time of nikaah?

Q:

1. At the time of nikaah the husband said qubool and the witnesses heard it. Few years later, the wife asked her husband if he said qubool in the nikaah? The husband said "no". He said “no” jokingly and had no intention of divorce. Is there any problem?

2. If a divorce thought comes in the mind when touching a kinaya word of divorce, is there any problem? The husband did not utter the word, he just touched the word with his finger.