How to stay warm when camping in the cold

That time has rolled around, you can feel it in the air, the days are a little bit warmer, the birds are singing and the buds are just peeking through. This, my friends, is springtime! It’s usually around this time of year, February/March time, that I start to get tent cravings. It’s been packed up for too long. There is, however, one massive problem with camping in the cold weather: how do I stay warm when the nights are REALLY cold?