.... I spoke to somebody about bitcoin and the person responded by saying that they are not too sure that they can trust their self to keep their investment safe because of their careless nature, and this got me thinking because can I call this person being very sincere or the person is just afraid to try.
That's a valid point, that's why there are million of users who have bank accounts for them to let the banks take care of their financial savings while having some perks of having it and some promises of assurance, instead of having their own vault at home and be responsible of making it safe. This is the very reason why bitcoin was created for this main purpose.