I tend to agree. 75% ITM just sounds unreasonable. Even the very best players on line won't break 25% with any consistency. I suggest using either software, or even online databases (such as officialpokerrankings.com
) to figure out the exact percentage. All you have to do is type in your screenname and it'll give you your ROI%, your ITM%, profit, and many other useful stats that will help you keep track of when and where you do well.
You can also input other player's screennames while playing to see how well they do overall and whether they are donks or sharks. I don't think anyone means to call you a liar, its just that those numbers seem like the product of selective memory. Having a real picture of how well you're doing will help you to be a better player. It doesn't help anyone to exaggerate, least of all yourself.
Best of luck to you,