Ludicrous, madham. I used to not text immediately for loads of reasons.
1. You're constantly told not to look desperate (stupid in itself).
2. I wan't to see if she likes me enough to text first (stupid again).
3. Downright fear of rejection (you guessed it, stupid).
And there are loads more. I don't know why I thought these things though, because they're all daft. If 2 people like each other, quit the gameplaying, stop taking advice from your friends and just run with it. Don't listen to stereotypes about who should call who first, how many days you should leave it etc. If you want to do something do it. If I liked a girl and she texted me the next day, I'd love it. If I didn't like her and she texted, then it doesn't matter how much time she lets pass. So you might as well find out rather than worrying!!