It can't hurt to have a backup.

As long as you don't think he's just pretending not to mind for your sake, it sounds like he has truly accepted that blow jobs are too difficult and painful for you to perform, and he's still very satisfied with your sex life. Take him at his word.

There are alternatives to pregnancy if you want another child.

You can care very much about someone without being capable of becoming their primary caregiver in the event of their parents' untimely death.

I don't think unfriending your old crush on Facebook will do much other than remove him from your Facebook feed. Don't beat yourself up over what you dream about; there are a lot worse things that could slip across the transom of your unconscious mind than an old high school crush who was always nice to you.

An adult woman should not be so possessive of her own birthday that she begrudges her friends the chance to get married on the same day.

I'm of the opinion that it is always a kind and appropriate decision to get in touch with someone who's lost a loved one to remind them that you're thinking of them and have fond memories of the deceased.