Skydancer
I agree about finding something that appeals to both of you. Maybe start by going out together once a week. Some men find retirement difficult and aren’t good at managing their time but a bit of persuasion often works. If money is tight why not use buses assuming you have bus passes. Get a timetable and see where you can go. So many things are free or virtually free. We often take a flask of coffee and our own snacks these days as everything is so expensive.
Probably lots of men have been working for 50 years or close to, before that years in education. Perhaps they need a period of having no time commitments, no one telling them where and what they should be doing.
Of course women have similar but until recently they could retire earlier and most of us have had breaks from paid work, SAHM or maternity leave.
It's complicated isn't it, needs or wants aren't always going to be the same or even possible. Hopefully people can come together.