Something I've been doing for a while is texting a girl (or multiple girls) and then switching my phone into airplane mode

This has benefits because

1) it stops you from spending time DWELLING on or over analyzing the text you just sent

2) it eliminates the DEPENDENCY and reward system associated with receiving a response back

3) its a subtle way to put girls on YOUR schedule and allow you to spend more time focusing on the shit you need to focus on during the day

You may want to try it out!