Interned-delivered Intervention Based on Acceptance Principles

Inclusion Criteria: * be fluent in Romanian, * be at least 18 years of age, * sexual orientation: gay or bisexual, * having low or moderate symptoms for at least one of the following self-report scales: generalized anxiety - GAD7 between 5 - 14; social anxiety - SPIN between 21 - 40; depression - PHQ9 between 5 and 14; alcohol - AUDIT between 8 and 14 Exclusion Criteria: * suicidal ideation (i.e., if exceed a score of 1 on suicide item 9 from PHQ9); * changes in the dosage if psychotropic medication during the last month (if present), * have bipolar disorder or psychosis (according to medication status), * have an alcohol/substance abuse and/or dependence (i.e., AUDIT score \> 15), * have high/clinical levels of anxiety, social anxiety or depression (above the cut-off range - see above) * currently take part in other psychological treatment, * obvious obstacle to participation (i.e., no current Internet access, long travel plans during the treatment period etc.)