Driada Tadalafil not working for me? Or something else?

[relentless_]

Hi, my neighbor ordered Cialis 5mg and I was able to try it out. I used it 1 - 1:30h before my workout and I didn't feel anything at all. My neighbor gave me 7,5mg but I still didn't feel any effects. What can I do?

Did I even get Tadalafil or did my order get messed up?

Makes me kinda sad :/