Why can’t I find someone that loves me as much as I love them?

A little backstory I’ve been with my boyfriend around six months (I know it’s not a lot but everything starts somewhere) and I’ve poured my heart out for him and has cared for him so insanely much and I never try to make him upset and if I do, I immediately apologize and I do whatever he says to make him happy but it just feels like he isn’t doing the same like I know he loves me, but I wish he would care more and love me like the way I love him. Like an example is I was upset today at something he did and he apologized. Don’t give me wrong, but it didn’t feel as since you’re as I apologize to him and some messages I for my house out and telling him how much I love him and I’m insanely grateful for him but all he says is I love you and that’s it. (Please don’t say I should break up with him because I’m not doing that.) I just wish he loved me the way I love him.
Why can’t I find someone that loves me as much as I love them?
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