Seven Years by Peter Stamm
Alex is caught between two very different women. Sonia, his wife, is intelligent, beautiful, charming and ambitious and together they have established a successful architectural firm and a life of easy luxury. But in the background is Ivona, who is dull, plain and passive. The only thing she offers Alex is her love, unconditionally, which inspires in him a queasy mixture of repulsion and passion. Alex knows he must make a choice, but when Ivona becomes pregnant, life takes an unexpected turn which leaves him more puzzled than ever by the mysteries of desire.