Confused said:
If you give a girl a suggestion of where you're going to take her out by text and you add at the end of it 'let me know by midnight tonight as i'll need to make arrangements' so that she needs to make a decision.
would this be perceived as being too controlling and needy?
Yes. It is.
Everyone else has explained why. You are NOT leading by giving a time constraint. If in your mind you want to give her til midnight to get back to you, then do so, but DON'T tell her. If she gets back to you 2 days later, you just say: Sorry, I made other plans already.
And why the hell would you need to know by midnight? What in the blue hell do you need to make arrangements for? A charter jet? Your butler to pick her up? What's the point of a deadline if there's no real point to it.
Hell, you might even score yourself one of those women who will ask: WHY MIDNIGHT.
And then you'll say: To make arrangements.
And then she'll text you a: LOL