To tell someone good night, you can simply say, "Good night! Sleep well!" You might also add a personal touch, like wishing them sweet dreams or mentioning something positive about the day. If appropriate, a warm smile or a gentle hug can enhance the sentiment. Ending with a casual reminder to rest well can make it feel more sincere.
If you are saying goodbye to someone at night, it's "good night." Goodnite it something entirely different.
Have a good nights sleep.
You can respond to "good night" with "good night" or with other phrases like "sweet dreams", "sleep well", or "nighty night" as a friendly way to wish someone a good night's rest.
I would say thank you and wish my conversation partner a good night too.
In Afghanistan, you can say "Shab bekheir" to wish someone good night.
Wishing someone a Good Night is "Bonne Soiree".
at night, before you go to sleep or when someone else does
yes
You can only tell if a person is good at keeping secrets from experience. If you have a BIG secret then don't tell it to someone who as a tendency to tell people. If you don't know if someone has loose lips then tell them a small secret and see if they tell anyone else.
you tell them in a nice way if they were good to you. don't have someone tell them for you. use a good tone of voice and tell them it does not work and why.
There Lonely At School Or There Lonely Doing Nothing Ever Night
Usually, you can tell by always busy, talking to someone else, and not answering the phone (during the night).