The pair have received a lot of breakup buzz since they wed in October 2012, and the Total Recall actress is seldom seen supporting her man at red carpet events and award shows.
However, the latest marriage mishap is rather amusing because it comes from the "Mirrors" hit maker's grandmother.
According to Contact Music, JT's gran Sadie Bomar thinks his marriage is "hard going" because the couple spend so much time apart because of their busy work schedules.
Being apart can no doubt add serious pressure to a relationship, and it is hard to keep the passion going when you are seldom able to see your significant other.
According to Contact Music, Bomar revealed to The Sun newspaper, ''They are married, but they are so busy, both of them, it's hard going."
The couple also have not felt the time was right to start a family and whether or not that is causing strain in their relationship is unknown. However, Timberlake's gran revealed, ''I'm sure when it's right to have children they will, but not now."
''They do love each other dearly, but they are apart so much it's going to be hard going for them.''
Bomar admitted she thinks Biel finds it difficult to be apart from her singer-songwriter beau for such lengthy periods. She said, ''I think Jessica finds that really tough. She's on her own a good deal. If he's not coming back at night that puts a strain on things, of course it does."
''It's hard to keep it all going but you have to have faith to keep it all going," Bomar said.
Although, the couple have proven all the previous marriage trouble rumors to be false, so they will hopefully continue to enjoy a happy marriage together. And Bomar admits that all they really need is some time together again.
She said, ''I have faith in them and I believe they love each other dearly, but I know they need time together.''
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