The bad thing about the adage "Distance makes the heart grow fonder" is that know-it-all proverbalists can simply counter with "Out of sight, out of mind.
There is a reason your relationship met a bitter end— you cheated or they cheated, you never listened or they never stopped talking
you weren't supportive or they started watching episodes of Snapped and taking detailed notes. It is rare that a relationship ends because of one person's role
There is no need to be overly cool when trying to woo back an ex, you don't need to start speaking in beat poetry or casually swinging your leather jacket around your shoulder
Acting desperate may be the number one thing not to do in the How to Get an Ex Back Booklet; desperation is a color that doesn't look good on anyone.
As mentioned above, there's a good chance your ex was also to blame for your relationship's demise. However, asking them to change, at least before reconciling, will automatically place them