Its more personable to speak with a person as opposed to texting but if you feel you need to text him when you want to - at a sensible time of course though.
you never should text the guy first that's how i was raised!
no, you dont want to sound desperate and scare the guy away.
As much as you text your regular friends
I don't think you should wait any time at all, just text him back.
If you like this guy as more then a friend and he likes you its best to have him text you first, but if you don't wanna do it that way just say hey how are you
if you really like them, just text him/her.
You should
Not So Often That It Works His Nerves!
probrably a month at least.
twice a day every day
you have to make a decision is this guy worth a chance at losing your friend?
yes, but make it brief and simpe. just a simple " hey, what's up?"