Opinions please?

Ashleigh • My husband and I were happily married on March 1, 2014. We just found out we're expecting our first baby to be born around February 17, 2016. This is such a surprise and a blessing!
I'm obsessed with hpt's and by now I've taken like a million. Well my test line appears to not be getting any darker lately, but it isn't lighter either. Is this okay? It's my first pregnancy and I really want a sticky baby.