As a single father who has navigated the modern dating landscape, what shift in relationship expectations has most surprised you?

The husband of my affair partner has died unexpectedly. How do I deal with it? Not from a selfish point of view, but I just want to comfort her and I know I’ll be the very last person who can do that.
The UK. How can I master English quickly without going to England? Is there a way to make my learning feel just like living there?