#2 Let go of your past. Most of the time anxiety stems from experience. If you had a rough time in a previous relationship then the fear of heartbreak and rejection is a huge motivating force driving your new relationship anxiety.
Whatever happened in the past, leave it in the past and move forward. Until someone develops a time machine, the only thing that you can change is the future. So, leave what is behind you behind you. Don’t let it taint the here and now.