Your temptations are from the devil and from Hell; but your sufferings and afflictions are from God and Heaven.
In order to attract us, the Lord grants us many graces that we believe can easily obtain Heaven for us. We do not know, however, that in order to grow, we need hard bread: the cross, humiliation, trials and denials.
Let us always keep before our eyes the fact that here on earth we are on a battlefield and that in paradise we shall receive the crown of victory; that this is a testing-ground and the prize will be awarded up above; that we are now in a land of exile while our true homeland is Heaven to which we must continually aspire.
Since eternity means happiness for you, what does it matter if some of these passing moments are unpleasant?