Hello Bluebellewould
Im sorry for you on the loss of your Husband and for your Son on the loss of his Father.
A son or daughters wedding after such a loss can be a very emotional time. You feeling anxious is perfectly normal and so are your feelings of whether you should go or not. Weddings are known to be a happy occasion but when you are grieving the loss of a loved one who would of been very much involved these feelings can be extremely mixed and even very painful. Your Son obviously loves and cares about you and is very understanding, which is good for you. I don’t know the relationship he had with his Father but if they were close it will be a very difficult time for him too.
My advice would be to seek some support to help you decide. If you do attend his wedding, maybe have some kind of support network, strategies, around you to help you cope. I was thinking possibly your other children could support you or maybe a close friend could attend with you. Sometimes having transport ready, so you can leave when you feel you need too might make you feel more comfortable. I don’t know the layout ect because of Covid but is it possible to sit beside your Son if you feel this would help. These are suggestions, but if you work with your Son, his future wife then maybe you can all come up with something that makes it a little easier for you all, because it sounds like your Son would love to have you there but understands your feelings, maybe you could do this for his sake.
I do hope you can get the right support and feel strong enough to attend your Sons wedding. Hopefully seeing his (their) happiness will give you some joy, comfort, and wonderful memories to look back on. I wish you well in whatever choice you make.