If there are still 1-2 days before you meet your parents, you can shell the newly cooked eggs and roll them back and forth in that place while it is hot, which will have better results; You can also rub the hickey with a bath towel in the shower, and control the area by yourself (slightly larger than the hickey) until it is red or more serious (painless).
Absolutely effective, because every time I wipe my neck with a bath towel, I will leave a real-looking hickey the next day. The excuse is simple: it's a little itchy here, and I rubbed it a few times in the shower.
According to the above definition, the cause of hickey formation is obvious. There is also a name called "planting strawberries", which is the mark left by people who love each other. This is a manifestation of lust, and kissing too hard will appear. This is probably the case. It is difficult to control your feelings in your heart, which is a relatively normal performance.