I swear to God , even though I complain about them on the internet , I ' ve never actually wanted to break any of their faces as much as I wanted to these girls . They were crashing into everyone and stepped on me pretty hard like five times . I did n't really mind that they were excited or whatever , but at least have some sort of consideration for the people surrounding you . A simple apology would ' ve diffused my anger nicely .

Based on the preceding passage, answer the following question What is angering the narrator while out in public ?
People are infringing upon their space .