What is "conditioning"? When I first got the phone I fully charged the battery. Then I used it until it ran out. I hope that was conditioning. (Note--by "run out" I mean when the phone stopped working. I suspect the phone's circuitry turns off the phone before the battery is truly dead so as to keep some current for the phone's memory.)
I give out my work number* and home number. I only give out my cell phone number for special situations, such as waiting for a doctor's office to call or some other urgent business I don't want to miss, or when meeting friends somewhere and need to know if they'll be late. In those cases I turn on the cell phone to wait for the call.
Many times when I'm waiting for an important call on my cell phone the call comes through when I'm in the bathroom, or, while driving and about to merge into heavy traffic where I must give full attention to the road and can't answer the phone.
*I get very angry--and make sure the caller's boss knows it--if a bank's sales rep calls me at work to pitch me brokerage services or some such thing.