Should You Make Fitbit Your New Dating App?(medium.com) |
Should You Make Fitbit Your New Dating App?(medium.com) |
...so the post admits that correlation does not imply causation?
There are many, many reasons why a heart beat will spike. The number of spike is irrelevant. An average heartbeat for each date vs. average heartbeat for normal behavior would be a better comparison, but still flawed (e.g. coffee dates!).