How to Store Multiple Options selected by User in a Table

Question

So I want my users to be able to restrict who may contact them.

There are several factors they should be able to filter, including Age (e.g. Must be between 18 - 29), in

Answer 1

A DB column (at least theorethically) should NOT hold multiple values. Unfortunately, there are some programmers that store multiple values in a single column (values separated by comma for examples) - those programmers (in most cases) destroy the concept of DB and SQL.

I suggest you to read about Database Normalization to get a start in organizing your tables. And, do your best to achieve the Codd's Third Normal Form