Maybe postnatal sepreshion?

Patient: I am 22 and Ihave a son of 17 months I have been single for 6 months and loving it but since I gave birth I don’t get sexually aroused at all…I have seen my gp and he told me to do things that make me happy and I have but he wants me to see a counciler but I know that won’t help at all is there any thing i could take it should make me a lot happer aswell.