I am unable to achieve orgasms from sex with my boyfriend. What can I do to change that? /u/Real-Rhubarb-5067 Sex

I just started having sex so maybe my problem will go away with time but it really bothers me. When my boyfriend and I do it he always orgasms while I haven’t orgasmed a single time from it. I act happy during it and he thinks I orgasm from it but I don’t, I just don’t want him to feel sad or like it’s his fault. I am not sure if I am doing something wrong or if he does. We tried different positions but it did nothing. I am able to orgasm from my dildo or vibrator so I know I am able to orgasm. I can orgasm from clit stimulation, penetrarion and even anal play if I do it alone so I feel like I should be able to achieve it with my boyfriend too. What can I do to orgasm during sex?

I just started having sex so maybe my problem will go away with time but it really bothers me. When my boyfriend and I do it he always orgasms while I haven’t orgasmed a single time from it. I act happy during it and he thinks I orgasm from it but I don’t, I just don’t want him to feel sad or like it’s his fault. I am not sure if I am doing something wrong or if he does. We tried different positions but it did nothing. I am able to orgasm from my dildo or vibrator so I know I am able to orgasm. I can orgasm from clit stimulation, penetrarion and even anal play if I do it alone so I feel like I should be able to achieve it with my boyfriend too. What can I do to orgasm during sex?