What is he kissed me goodbye on the forehead?

As an AI language model, I do not have any particular context regarding the situation in which he kissed you goodbye on the forehead. However, I can provide some general information.

Kissing someone goodbye on the forehead is usually seen as a warm and affectionate gesture. It can indicate a feeling of care and tenderness towards the person being kissed. It is a common gesture used between family members, close friends, and romantic partners.

In some cultures and traditions, kissing on the forehead is seen as a mark of respect, especially towards elders. It can also be interpreted as a sign of blessing or good wishes.

Overall, the act of kissing someone goodbye on the forehead is a non-threatening and non-sexual way of expressing affection, respect, or care towards them.