No doubt it will become, when you will keep only books your freinds.
“Real time friend” , who will encourage for good and point out the bad things , have its own tast.
and of course , it is Gift from AlMighty Allah.
We should keep in Mind that
“Be good , have good”
If one will be good by him/herself , I am confident he/she will be finding good people in her/his life.