What do you do with old underwear?

I’m having fun today. Do you ever throw yours away?  No matter how many holes there are?        I am here to confess – and my sisters and anyone else who knows me well, will be looking around thinking – where is my sister and what have you done with her because SHE doesn’t talk about these things – back to confessing – I actually threw a pair of underwear away today. The kicker is – they…

"What do you do with old underwear?"