It can be shocking the first time you see a partner in daylight hours—but if you want this thing to have a forever (or at least 3ever) chance, daylight does have the nasty habit of happening.
Make sure you two can still enjoy each other while doing activities that don't employ alcohol and darkness.
If there seems to be a good balance intact that keeps everything fair, that's a great start.
It can spur a glorious night or string of nights involving super hot, sweaty fun.
There's no way lingering eye contact has the power to reveal much about a person's inner peace or turmoil, how they take their coffee, the status of their relationship with their mom.
A lot goes into long-term attraction and romantic rapport. I'd wager about a month into dating someone, though, you have a decent shot at accessing what can and probably will happen in the possible LTR scenario. So you can figure out if this go in the dating arena will likely sink or swim—whether or not it's time to adjust the sail for a lengthy cruise or take a deep breath and abandon ship now.
They don't feel the need to create some sort of mystery or essentially ice you out—because they dig you and they want to make sure you know that.
It's a courteous way to reassure the other person you're confident in your feelings.