Adjustment of Status - I-485

Keep in mind my fellow acquaintances that since I did my biometric mid January, I have NOT received any update about my EAD case... so here goes.... I spoke with an level 2 officer last week Friday about my EAD and he told me that me that everything looks okay. (I'm assuming that uscis got the FBI checK result back). He also told me that I should call back today Tuesday if nothing changes being that they approving. EAD between 90 - 95 days, so Tuesday (today) would be my 91 days .. Anyhow I called back uscis this morning and spoke with another level 2 officer, but this time this officer told me that a mail was sent out to me last week Friday- that's the same Friday after I spoke with the first immigration officer.... Now I'm wondering what's the mail all about, if it's the SR that was opened I'll be gething a mail about or something else.........What do you guys think??? I need some comforting words because this is getting real ridiculous now- I'm tired of waiting.