Now comes the next challenge: figuring out what to text after a great first date. One of the easiest ways to write a memorable post-date text is to reference something that actually happened during your date. Below, 40 text ideas for every vibe—from casual and flirty to confidently asking for date number two. Casual Texts to Send After a Great First Date"I had such a great time tonight. "I think date number two is the only logical next step."