I don’t understand!!!

Had no problems what so ever getting pregnant with my son, and now?? We’ve been trying for 8 months, absolutely nothing. What is going on? Why is this so hard when you actually try. I don’t get it ☹️ AF is due the 9th. I’ve officially given up hope. This is so frustrating. Keep hoping every morning I’ll see a faint line, and every morning I get nothing. Oh well I guess.