Omg! Someone please help me.

So lately I’ve been masterbating (I’ve done it before, not new to this). And I can’t get off like I usually do and I don’t know what the problem is... I put the vibrator on my clit and squirm and try to move around and that usually does it but lately I can’t do it. It’s making me really mad. I don’t master bate regularly sometimes I go a few days/weeks without doing it. Don’t ask me how I go that long cause I have no idea.