Moving Up Is Hard To Do

[badplayer]

Always seemed to do well at $0.50/1.

Moved up to $1/2: 300BB downwsing in 10k hands. After 50k hands, I'm up 250BB.

Took a stab at $2/4: First 5k hands, and I'm down 200 BB. I seriously feel like giving up all together.

Is there always this harsh of a learning curve? Why does the next higher stakes feel like an entirely different universe? Or is it purely psychological on my part?