Ours is our 4th attempt at going on honeymoon as it has been delayed so many times because of covid. Definitely go if you have to on your own – it will be good for you to just relax away from home and sit in the sun and read a book. You never know he might just go if book for a month or so time. A change of location would be great for you both. I can totally relate to your confidence being knocked sideways as mine has too x
