Torn between two people

I'm torn between two guys.
A) One is my boyfriend that I have loved for a very long time and have been with for over a year. He wants to marry me someday and raise a family. He's very devoted and faithful. Every girl's dream. He's amazing in bed and an extremely giving, tender sweet lover. He cares deeply for my emotional needs and spoils me, constantly buying delicious food for me whenever I'm hungry, bundling me up when im cold and just generally treating me like his precious baby. He makes me feel incredibly comfortable with him, never feeling ashamed of my body or my looks or being a messy eater, etc. He is a sweet romantic and has cried over the thought of anything tearing us apart. The one problem is, he doesn't understand or appreciate my life's work and story as an artist. It is my dream and he just doesn't get it or care about it. I've always wanted my lover to truly understand my world, but he just doesn't have the same passion. We fight about this every now and then because he can be insensitive about it and he feels hurt and pressured to measure up to something he's not. It seems to be the biggest issue in our relationship. He is my first choice and the one I truly love but I fear this flaw will always cause us to fight and I will always crave to be understood, and be unhappy.
B) the other is my friend. We've had our differences but he supports me with unshakable faith. He doesn't love and provide to me and spoil like my current boyfriend does but seems more than willing to treat me in such ways when given the chance. Deep down, i know he's in love with me and always has been but has kept it a secret due to my relationship. He is so incredibly invested and enveloped in my story, he has actually cried due to it's sad moments. He feels for my characters, and he lives and breathes my world with deep passion. He often times speaks of dedicating hours of work illustrating and working on my fictional world, and insists he wants nothing in return, just wants to be a part of it. He treats me like a artistic genius that He aspires to be like. He is the supportive, understanding, creative person I always dreamt of dating, but at the same time he has his flaws. He's awkward and weird about certain things and a bit stiff about his comfort zone, as well as being completely estranged from sexuality, knowing nothing and having zero experience and has no intention of having that relationship with anyone. (I sort of have needs, ya know...) also, he has a bit of a temper and is a bit selfish sometimes, plus he's not low key and comfortable to be around.

On the one hand, if I choose my boyfriend, I'll be staying with what's comfortable and makes me mostly happy, and I'd have to accept that despite a fairly cozy relationship, he'd never understand my art. On the other hand if I choose my friend, I'd be taking a risk, leaving behind a mostly awesome relationship for someone that's never dated anyone before in hopes that he'll be half decent and it will all be worth it to date someone that gets me and my art etc. I do feel a certain chemistry with him, and he's given me looks before, like I know he likes me like that but.. He'd probably not be able to satisfy my needs as we'd be on completely different wave lengths, and he plans to wait a long time for that anyway.
I'd rather be with my boyfriend at heart. I truly love him more than the attraction I feel for my friend. But I worry an artist like me is simply better off with their own kind and I'd never how great it could be without trying right?