help.

i just found out that I'm pregnant I'm only 21 years old and I'm married been married for one year and dating my husband(23) for 3 years I was wondering if anybody found out they was pregnant and been ruined their relationship with their spouse or partner. he says he's happy about it but he don't seem it. we love each other and we've been through a lot together so I'm just worried those that us having a baby might ruin our relationship he says it's not