What's The Next Move?

I'm at a point in my life where I KNOW what I want to do. The question is how do I get there. But the next thing that follows is, should I even stress myself or just let things come as they will. I have heard a saying before that said, "If you want to make God laugh, tell him your plans"....Welp, that just ended any blueprint I had laid out. But really, what's the next step after college? Apply for more internships? Look for an entry level position somewhere? More school? I really don't think anyone ever knows. Everyone I ask is just going with the flow. It seems like there are no more jobs out there but plenty of people who are willing to jump at the opportunity if one does open up. The reality is I just want to be comfortable and live a happy life. I don't have to have a million dollars but if my future kids ever want anything, I don't want it to be a hassle for me to have to get it...Thats all. I really don't think that's too much to ask for ya know? But who knows, maybe I'll be blessed enough to do what I have my heart set on or maybe God will trip me up a little and I'll end up being a bum on the street lol...No but really. You never know what the circumstances may hold or what's really going to happen throughout life. "Nothing ever promised tomorrow today"...I think I'm going to plan a little but leave room for error, we'll see how this goes.