Tell me I am not crazy please!

So this weekend we had some very faint positives with the blue line tests we decided to wait and I made an appt for the 15th to wait and get an office test and lab ran. Well yesterday was supposed to be the start of AF, this morning I wake up and am spotting, i hesitantly took a test with a different brand and this popped up right away!? Tell me thag after losing my 2 month old boy and 2 years of trying its finally happening?!?! Is this the chance at my rainbow baby??