Don't just buy bitcoin for some or no reason, you are still a newbie you had a lot of things to go with bitcoin, their are lot of things to try with bitcoin free bitcoin isn't enough you can try on gambling and try your luck one's in a while mining are for veteran in bitcoin, cause you will need lots of resources and knowledge to build your own mining rig,
Even though she/he is still a newbie about bitcoins, doesn't mean that she/he don't know the reason why she/he is buying bitcoin. Just tell him/her to do whatever he/she wants . As long as he/she is gaining profit with it. If you have some money, try to use it in a way that you can gain profit. But be sure to gain profit not to bankrupt yourself. Try to know how gambling sites work.