Yes, you may be right. I think any sport can lose weight. And I also advise you to exercise together. It'll be a lot more fun and your wife won't feel lonely.
I think it's a great idea. And it's so nice of you to support your wife. I think that's what true love should look like. Now let's talk about the bike for your wife. It has to be a quality bike. Wouldn't you agree? So I recommend you to read about the best women`s road bikes for beginners and choose one of them
Do you think it could really work? My wife has been overweight since her son was born. I see that it makes her sad and want to help. Maybe if we bike together it will help her lose weight and feel happy.