Wasn't Expecting That

It was only a smile but my heart, it went wild
 And I wasn't expecting that
 Just a delicate kiss, anyone could've missed
 I wasn't expecting that
 Did I misread the sign? Your hand slipped into mine
 I wasn't expecting that
 You spent the night in my bed, you woke up and you said
 "I wasn't expecting that"
 I thought love wasn't meant to last
 I thought you were just passing through
 If I ever get the nerve to ask
 What did I get right to deserve somebody like you?
 I wasn't expecting that
 It was only a word, it was almost mis-heard
 'Cause I wasn't expecting that
 But it came without fear, a month turned into a year
 I wasn't expecting that
 I thought love wasn't meant to last
 Honey, I thought you were just passing through
 If I ever get the nerve to ask
 What did I get right to deserve somebody like you?
 I wasn't expecting that
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 Isn't it strange how a life can be changed
 In the flicker of the sweetest smile
 We were married in spring
 You know I wouldn't change a thing
 Without an innocent kiss, what a life I'd have missed
 If you'd not took a chance on a little romance
 When I wasn't expecting that
 Time doesn't take long, three kids up and gone
 I wasn't expecting that
 And when the nurses they came, said, "It's come back again"
 I wasn't expecting that
 Then you closed your eyes, you took my heart by surprise
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 I wasn't expecting that