My friend did not like berries for most of her life. I forced her to try some strawberries grown fresh from my garden and she was instantly hooked. Maybe you just haven't gotten any good ones. I know the quality of strawberries can vary greatly depending on the source and age.
Strawberries do not ripen once they are picked so they will not get sweeter over time if you buy them still a bit green. They will stay green and sour. Just a tip.