How to get over a pain that is so minor but hurts so deeply that I -can't stop thinking about it?

I happily messaged my friends in a groupchat (2 other girls in the group) saying hey girls 🤣🤣 and next think you know one of them goes "Whatcha dyu want?" . I didn't realise and thought she's asking me what am doing next thing you know I responsed and said , where my 2nd friend is? etc then I see a message of her laughing at the "whatcha dyu want comment". So I just directly said it on the group that my other mate is rude but acting like I'm okay but tbh I wasn't as they both were ignoring me on the group and I actually felt quite uncomfortable but were in our 20s now and I find this behaviour immature and I'm the type I'm really nice but they've always been inconsiderate over my feelings etc but come running to me, when things go wrong in their lives.

What kind of friends are they?
How to get over a pain that is so minor but hurts so deeply that I -can't stop thinking about it?
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