Inclusion Criteria:  Bereavement or separation/divorce Either of these events should have happened more than 6 months before participating in the study Feeling the need for support to cope with the loss (a diagnosis of complicated grief is not necessary) Age: 18 years or older Regular Internet access Mastery of the French language - Approved ICF  Exclusion Criteria:  Moderate to acute current suicidality (SIDAS > 19) Severe psychological or somatic disorders which need immediate treatment. Concomitant psychotherapy Prescription or change in dosage of psychoactive drugs in the month prior or during the self-help intervention. Inability to follow the procedures of the study, e.g. due to comprehension problems Enrolment of the investigator, his/her family members, employees, and other dependent persons.