My partner (19 FTM) and I (21 MTF) have an open relationship and have some people who we both have sex with. The problem is he has some issues with being assertive and saying what he actually wants even when asked. according to him this problem only exists with people he has a casual relationship with and not people he is close to. To be frank I have banned him from having casual sex until we've worked together and sorted this out cause its bad enough that he will actively lie about how he is feeling sometimes during a sex act when these people check in with him to make sure everything is ok. I want him to be able to work on this because he genuinely really enjoys casual sex its just sometimes he ignores his own pleasure for extended periods for some reason(might be because he has bpd). Do you all have any kind of theraputic worksheets or resources for improving assertiveness during sex? cause both of us really like finding worksheets that deal with problems we experience.