Preferred reality check is plugging my nose, along with looking at my hands.
A recurring dream sign that I've noticed as of late is being in a massive, unfamiliar structure. Often, the buildings I'm in are futuristic and "glossy" (if that makes sense).

Accomplished dream goals:
[x] Attain lucidity in a dream
[x] Fly
[x] Spin to stabilize a lucid dream
[x] Manifest a DC

Current dream goals:
[ ] Conjure and throw a fireball
[ ] Visit outer space
[ ] Use telekinesis

All four of my lucids to date have been DILDs, but I've been working on the CAN-WILD and FILD techniques as of the last few days, with little success.