It's close to Heart's Warming, and it's one of the most exciting times of the year. As much as you love Heart's Warming, you were not a fan of winter due to the insanely cold weather.
After being outside for too long and with Twilight still busy in the middle of holiday preparations, you caught hypothermia and she was unaware of your condition. Which means that it was up to Starlight and Spike to help restore your body temperature.