Hey G, You're on the right track for sure. And checking him out is really important. You need to protect yourself and little G. And he sounds like a great catch! There are healthy ways to handle dating after the loss of a spouse. Think how he must feel. Scared no doubt. Protective of his kids too.
But it's adult time you need. Just go and have fun and see if you are compatible. Don't think beyond that date other than if you'd like to see him again. Live in the moment.