Last night a girl where I do boxing class give some IOIs, she is one of 3 dateable girl of the gym(25 guys and 5 girl), all guys are staring at this girls(she is the hotest) but I go there for train so, I stay focused on the training, and dont tried anything. But she is one of my types, question is...a lot of guys said on a thread of guy who was acused of sex offender at his gym(she give him IOIs too), unless she give you multiple solid IOIs, dont go.

Should I wait a couple more weeks and check if she was just trying to get my attetion?

Generally I wait a month or so, to get number of a girl from my "social hobby circle", because those hobbies(dacing, yoga, meetups) is a great source of quality girl and I work then carefully, but i dont know if is the reght play, time to time I lost timing/lose attaction with these girls, waiting for advices.

Strike up a NORMAL Convo. Start with something gym specific like, "I noticed they replaced all the treadmills."
Or "So they tell me the tiny cameras in the tanner are for training purposes only!" Stop trying to sneak peek on her ass, she knows.

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They call me the cat whisperer, cause I know exactly what the pussy needs.

You won't know until you try. So go and say what the other guy said or

Simply say you like how he fights (reminds you of uma thurman from kill bill or one of the charlies angels girls)
and make some joke along the lines. You will know if she is into you.

Don't kill yourself thinking about it.