Ça plane pour moi 4 in Ireland, and No. 2 in Netherlands (behind Boney M.'s "Rivers of Babylon"). It also topped the Swiss Charts for one week and the French charts for 2 consecutive weeks. In Oceania, the song peaked at No. 7 in New Zealand, and No. 2 in Australia in early January 1979. On the other side of the Atlantic, "Ça plane pour moi" entered the "Billboard" Hot 100, a feat for a French-language song because only "Dominique" by the Belgian singer The Singing Nun and "Je t'aime... moi non plus" by French and English singers Serge Gainsbourg and Jane Birkin, respectively
The Singing Nun was about to be sent to a mission country. After leaving the convent, Deckers and Pécher began to share an apartment; Deckers alleged she told the 22-year-old Annie that she did not want a romantic relationship with her, saying she wanted them to live together simply as friends. However, Deckers' diaries indicate that, although she resisted her growing feeling of closeness to the younger woman, they fell in love and a sexual relationship between them arose some years after they began to live together. In 1973, Deckers became involved with the Catholic Charismatic Renewal. Cardinal Suenens requested that she write