If you didn’t have these Thoughts what would you be doing right now?

When you get a stuck thought in your mind, as stupid or untrue as it may be, how do any of you block them out, or try to at least? It’s like my mind has another voice telling me making up the stupidest things?

My mind just starts racing with thoughts all day. I overthink aswell so I just tend to sit in the thoughts and can’t escape. I mostly have thoughts that tell me I don’t like the things I do like snowboarding or backpacking or if I even if I love my girlfriend. Deep down I know I do but then I start getting worried that the more I think these things the more they come true. Then I have tons and tons of more thoughts throughout the day and it just feels like I’m constantly having anxiety and constantly battling my brain over things that don’t even make sense. I’m only 17 and this is extremely hard and I feel like I’m wasting these teenage years. I don’t know what to do or where to go. I’ve picked up reading my bible and praying more but the thoughts persist please help.

So I was enjoying some “me time” and had intrusive thoughts, but it felt like just for a second I liked it. Like I’m holding myself back from “enjoying” the thought. And the thoughts are related to things I was into when I was younger, but sometimes I feel like I might still like it even though 9/10 I wouldn’t give it a second thought. Is this common? Or is this just denial? Thanks