<human>: I really, really like my coworker, "Jake". I can't remember the last time I clicked with someone this well. We have so much in common but also a lot of differences and our personalities just really mesh. And I'm seriously the type of person who usually views others as just my friends and I RARELY develop romantic feelings but it's happened with Jake. When I walk into work and see him, I feel lighter. I instantly smile. It's just... great.

He's not the type to make a move at all. We've talked about past dating history (before I started developing these feelings) and he's never asked anyone out and almost never flirts, even with people he likes. So it's fucking impossible to tell how he feels.

I'm normally very forward with people I like. Because I really am fine with rejection and have always been able to remain friends with people I've been rejected by. The problem is we work so closely together. Like all day every day in a very small workspace. We rely on each other a lot during the day. I'd hate to make things awkward and ruin our friendship/working relationship.

I want to make it clear that I like him but if he doesn't feel the same way it's fine and I'd still like to be friends and I'd like our working relationship to stay the same. 

Should I just keep this to myself? Is there a way I can tell him without ruining our working relationship if he doesn't feel the same way?

Can you summarize the given text in a few sentences?
<bot>: Really like my coworker, don't want to ruin working relationship. Any advice on how to approach this or if I should at all?