<human>: Hello - it was suggested I cross post the below:

I'm male (31), I've encountered this issue many times. I'm the type of guy who will start talking to a stranger in the break room, at their desk, etc. I admit this is often partially motivated by boredom. I'll do this with women I'm attracted to, but other people as well (I like to network!). I've had more than one occasion where a woman thought I had a crush on them when really I very much did not.

BUT... My problem concerns the women I would like to ask out. I'm just unable to tell if they're being polite or if they're interested - much less if they have a boyfriend. I always end up finding out by online stocking (yeesh), then it STILL doesn't come up for a long time in actual conversation. I guess they're often bored as well, maybe it's nice to have a stranger chat you up, even if he's potentially into you? I'm sure some women would just like a friend. So, women out there, what makes you think a guy is into you at the office? Any polite signals you send that you're not available in that way? Would you be willing to have a male friend in class/at the office? Is there an acceptable way for him to inquire about your interest that won't sour everything? Thanks for reading!

Can you provide a brief rundown of the text in within 3 sentences?
<bot>: is there a way to express interest in a female colleague/classmate that won't make her wish she was never polite to me.