Why does the kiss of foreign elderly people seem foreign, high-class, Chinese elderly people kissing on the street looks uncomfortable and obstructive? This may be related to national conditions, customs, and conditions: But imagine

Why does the kiss of foreign elderly people seem foreign, high-class, Chinese elderly people kissing on the street looks uncomfortable and obstructive? This may be related to national conditions, customs, and conditions: However, imagine that if there are two well-dressed and fashionably dressed Chinese old men, kissing on the side of the road is not uncomfortable, and it will win many envious eyes ~ ~ ~ However, such two old people kissing on the street, staring at it makes people disgusted, you say people are not snobbish? Don't admit it, don't you?..