Everyone says "engage in DMs" but no one tells you HOW?? In the past 27 days, I have - Sent 133 DMs - Received 129 replies - Made 1 friend/da

Everyone says "engage in DMs" but no one tells you HOW?? In the past 27 days, I have - Sent 133 DMs - Received 129 replies - Made 1 friend/da