I've heard 2 sides. Some say yes, do it, approach or if you see them frequently you can ask them out 3rd time you see them after some small talk.

Some say it's pointless to eye out girls because that gives them attention and power in some way, thus "we need to be on our mission and not look at obstacles".

Or we can make eye contact with a girl in a club or elsewhere just to test if they like us back and then approach them?

Before I was making eye contact with every girl I see just to see my SMV and to practise, it'd give me a boost of confidence sometimes especially when they smile or look at me.

What's the correct mindset to this?