Inclusion Criteria:  We will be recruiting Change Club members (CCM), friend and family members (FFM) of CCM, and community residents (CR). Some CR's will participate in full data collection (CR Full Data) while others will only participate in the online survey (CR Survey Only).  Common inclusion criteria include:  Age 18-99 English-speaking  CCM also must:  Provide consent electronically Be willing to be randomized to either group Be willing to recruit 10 or more family members and/or friends Score "poor" on at least one of the Simple 7 composite score items (e.g. not meeting Physical Activity Guidelines for Americans) Live in one of 12 designated towns in NY and TX  FFM also must:  Provide consent electronically Be family members or friends identified by a CCM  CR also must:  Provide consent electronically Live in one of 12 designated towns in NY and TX  Exclusion Criteria:  Cognitive impairment (if it precludes completion of assessments and/or intervention) Inability to communicate due to severe, uncorrectable hearing loss or speech disorder (if it precludes completion of assessments and/or intervention) Severe visual impairment (if it precludes completion of assessments and/or intervention) Inability to read (as it precludes completion of assessments and/or intervention) Already included in another study sample (e.g. CR cannot also be CCM)