37w3d and feeling suspiciously good?

Yesterday and today I've been feeling really great?? I can walk up the stairs without gasping for breath, I'm not as stiff or big-feeling. I've been able to get stuff done 😂 my husband even commented that I seem more limber.

Its kind of freaking me out. Baby hasn't dropped or anything but I'm wondering if this is my body saying "hurry up and get your crap done cuz he's coming" haha orrrr maybe my baby is just gonna stay forever 🤷‍♀️

Anyone else experience this at all? 😬