The tree served as a record of conquest. Below his name were the initials of those girls he had ‘succeeded’ with.
Across the park, his mate Ben used a similar tree to record his own ‘luck’ as he put it.
Each boy used their respective trees as a means to brag about their exploits. Of course what they considered an achievement varied from the girl to girl. Some liked the attention, most didn’t.
In their old age the carvings, though faded, remained, more to remind the boys of their foolishness as they lived the life of lonely tired old men.