Today I went up to a girl & said "Hey I wanted to say, if I was a cat I'd spend all 9 lives with you" with a smile. She hit me with the usual aw you're sweet. By the time she said the word sweet I was walking away with a chuckle because I felt like she wasn't going to give me a chance anyways and I was afraid of rejection as well. This isn't my first time approaching a random girl in public btw but I've never had a successful "pick up" outside of school.

My question is how do I get myself into the frame of "I'm going to die someday and this won't even matter so just be yourself and have fun fuck it" I mean I could sit here and read that sentence and say ok I'm going to REALLY be confident tomorrow and just have fun when I'm out then when I'm in public I'm scared as shit. How do I get over this mental hurdle? I'm sure I'm not alone on this