Help ☹️

Well my boyfriend just found out that I’m into him choking me and being aggressive 🙈 I really want us to get into bdsm but he always say it’s next level or it doesn’t sound right , he just started being more aggressive with me like he chokes me when he kiss me and I’ll suck his finger or bite my lips and he’ll smirk a bit. We made a bet on the game and he said he’s done everything, but I told him he hasn’t held me down during sex or be more aggressive like I try to throw in hints and he’ll say it’s weird or kinky. How can I talk him into it? Any tips?

UPDATE :

so today he called me a freak lol I walked away from him and instead of him saying come here he put his finger down where he wants me to stand and when I came to him he put me against the wall, choked me and shoved his finger in me 😭 don’t get me wrong I loved it lol but I think he’s starting to get into it ❤️ I was so turned on and surprised cause wow