How to tell someone you are not interested?

So, I have an ongoing problem in my life: Sometimes, people ask for my number, I won't know how to say, "no", so, I give it to them. Then, they try to contact me, non-stop, even though I ignore them! These are people I see on a daily basis...

This has happened to me several times now. I usually meet with several girls, who all start showing interest. Yet they are all friends. Generally, I will be interested in one girl in particular, and try to approach her. Yet, usually one of the other...

well i was at readmission today, and i was walking around and there was a guy who passed me a number of time with his friends and he kept looking at me not like a creepy stare but just looking and i dont know if he was interested in me or just looking...

how can you tell if someone is interested in being your friend, when you've only known them a few months?

I have been burned bad in the past by men, and now I am to shy to go up to them and talk to them. They don't come up to me either, all of my friends just tell me that my looks intimidate them.

My friend (a straight male) and I hung out with another friend of ours last week. This other friend constantly hugged, hit, pushed. and basically would not keep his hands off my friend. He also kept bringing up his sexual escapades with other guys and...

I have a friend and we were texting on class.and out of the blue he said I really like you. And I said my phone died but I acted like I didn't see it how do I tell him gently

Context: Signed up for OKCupid a few weeks ago. (I'm a man.) My profile unambiguously says "I'm just looking for friends" in several ways and in several places. A woman messaged me and we exchanged a few friendly emails and that was nice. In...