Abba's 4 1/2, and Addison is 4 months...just had his needles, poor little guy (yes, they do 2 at once now instead of one. And he knew the second one was coming

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I have a dilemma...and since you all are so great at being non-judgemental, I thought I would post it here instead of my other boards...
I was up tossing and turning last night...and my answer to my issues is...to cancel my date.

There are 3 reasons for this. 1. He called again yesterday, which is nice, but he now wants to add another couple of hours onto our first date. Like a 6 hour date

I think it's a little soon for that, as it's hard for two people to find things to talk about for an hour, let alone six. Also, I'm the one paying for a babysitter for 2 kids, and I hate to leave them that long, if I can help it. He's extremely nice, etc....but I think he wants to get too serious too fast. And I'm not ready for that.
2. I don't think there is a spark.

Initially, I though there might be, because of the butterflies. But the butterflies are already gone...I think it was just nerves because he was a new guy. Kindness and respect are what I want most from a new man, yes. But I need butterflies too. I lived without them last time, and look what happened.
3. I don't think I'm ready yet...I'm still working on me, and I want to stay focused on me. Maybe that's selfish. But I've been working hard for 3 months now, and don't want to start slacking off in that area. My self-esteem needs it badly.
So, any opinions? Am I stupid for this?