You're one of their friends, and they're glad to have you. Your partner is happy about it and wants you to feel comfortable around their friends.
You laugh at each other.
Believe me, this isn't as simple as it seems. Some people have dry senses of humor that other people don't find funny, and some people are just goofballs
Arguments are constructive
Depending on what the fight was about, someone learns something from it that can be used to stop something else from happening.
have a good time
When you're together but not "out on the town," you get to know each other on a different level.
better person
The two of you bring out the best in each other. Because of them and what they've taught you about life, you try to be a better person every day.
grateful
You tell each other how glad you are to have the other person in your lives.
get close to each other
You both love to kiss and touch each other, whether it's a hug, a cuddle, or something else.
talk about the future
You will be able to tell if your partner only talks about you and the relationship in the present tense and never mentions the future.