Problem: Add spaces: Hi,mynameisYoungFantasyandIam20years.

Spaces added: Hi, my name is YoungFantasy and I am 20 years.

Problem: Add spaces: AlainhasspendpartofSundayinLoisy-en-Brietosmartenupthevineyard.

Spaces added: Alain has spend part of Sunday in Loisy-en-Brie to smarten up the vineyard.

Problem: Add spaces: Butitwouldbeunforgivabletoexploitthatmaturitybeforeshehasreallyhadachancetobeachild.

Spaces added: But it would be unforgivable to exploit that maturity before she has really had a chance to be a child.

Problem: Add spaces: Sheisaveryeducatedandknowledgeableinmostareas,butcancomeacrossashumourlessandemotionallycoldbecauseofherverydirectways.

Spaces added:
She is a very educated and knowledgeable in most areas, but can come across as humourless and emotionally cold because of her very direct ways.