Really, it's not so bad. It's very popular to talk about how bad it is because it wouldn't be popular to say how much fun it is.
If you're brand new to your exercise regimen then you may benefit from an additional day off in the middle of the week, e.g. Wednesday, until your strength improves.
Oh, and welcome!
My colonoscopy was great! They used great drugs! And I say that as a professional healthcare provider. DO NOT get a colonoscopy on the street with street drugs!
Ten mile rides are very reasonable for a new cyclist. When ten miles seems way too easy, then you will know that you are making progress.
__________________
Bacchetta Giro A20, RANS V-Rex, RANS Screamer