You are both very happy and comfortable in the friend zone.
No, you are not in a relationship; no, you will never be in a relationship. No you have never even thought about being in a relationship, (apart from that low point when you thought you were going to die alone). You are both very aware you are in the friend zone and you like it there.
Like, you really don't. You can speak your mind and know that he will never get too offended. You can say exactly what you mean, no matter how bad it sounds.
You dream of setting him up with his perfect match.
Because his happiness is your happiness, and you also want bragging rights.
It's a match!
Your dinner checks are separate.
You go for a meal, he pays for his food, you pay for yours. NO. BIG. DEAL.
When you meet someone, your bestie will need to size them up.
Because he can see through bullshit, and it's imperative they get along.
He brings you down to earth when you're daydreaming.
While your girl bestie might help you pick out the names of your children after just one date, you male bestie won't encourage any of that shit. The Will to your Grace will quickly remind you that you can't fall in love and plan your future after one date.