I tried to get my wife to ride first year of marraige. I took her on the tourist route from SF to Sausalito and took the ferry back. When we got off the ferry in SF we had maybe 2 miles to get back to the starting point. After 50 yards she started crying. Outside of riding with the kids a few miles on trails when they were little, she hasn't been on a bike since.
Up till then just about every girlfriend I'd had past high school either rode, or I got them into riding. None of them lasted.
It's ok for biking to be "my thing".
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If someone tells you that you have enough bicycles and you don't need any more, stop talking to them. You don't need that kind of negativity in your life.