Proof that REDDIE is real

The quarry scene (IT chapter 2)

In this gif showing the remaining Losers (Mike, Bill, Richie And Bev) back in the quarry there are a few things I noticed:

1. Mike is holding onto Richie's shoulder as though he is dreading and/or comforting him, Richie seems to respond as though he is reassuring him. I can only assume mike is asking if Richie is okay.

2. The remaining losers are wrapped around Richie- Beverly is holding his arm, Bill is holding his hand and Ben is standing by his side. I can imagine they're trying to comfort him.

3.After Bill splashes Bev And Richie, Richie seems to give more a grimace then a smile. It seems to me the remaining losers are celebrating after finally defeating Pennywise, judging by their smiling and care-free, but Richie seems irritated/ upset. If they had returned with Eddie, I can imagine Richie laughing and splashing Bill back. However, this Richie, who lost Eddie, seems far from being in the mood to celebrate.