Just saw it for a second time and noticed something off. When Rey and Chewy leave the Resistance base, R2D2 is on the base with Leia, C3PO, and BB8 seeing them take off. But when they arrive on the island and Rey walks up the mountain to see Luke, it looks like R2D2 is on the bottom with Chewy.
Yea. You need your eyes checked, because they deceived you.