We have not had any game-inspired relationship advice in a long time. Although in this case, the relevant sense of “ping” is “pinging the server” not “pinging the minimap,” so it is more on the “online” side than strictly the “game” side. So here we go, using modern technology to improve your love life.
If you are the stereotypical gamer, you are an introverted male. You may not be verbally expressive of affection, or perhaps not understand why she needs to be reassured that she is pretty or you still love her, when you told her last week. If you are not the stereotype, adjust accordingly, but the principle applies if you are less verbally demonstrative than your partner seems to want.
This is where pinging the server comes in. It is perfectly normal for systems to ping each other occasionally (or frequently) to make sure a connection is still live or available. It says, “I am still here. We are still connected. I am still paying attention to you.” I usually belabor metaphors, but we will let that one stand as it is.
Modern technology even has easy ways for you to do this. You just need to establish an appropriate “ping.” A “<3” text can do it. Facebook Messenger lets you replace its default thumbs-up with a different one-click emoji. You can replace it with a heart. You may feel silly saying, “I love you,” twelve times a day, but you can easily click/tap an emoji button when you think of your partner.
Your relationship may differ, but I can click that button twice an hour without getting a “stop bothering me” response. “I was thinking of you and I still love you” is usually a well-received message, and you can express it with a click. If your relationship differs and your partner does not want digital hearts or flowers or whatever, they will probably say something.